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Finding the Fourth Proportional to 308,649,174.86, 425,742,117.97 and 183,112,492.90

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Solution

The fourth proportional to 308,649,174.86, 425,742,117.97 and 183,112,492.90 is: 252,580,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,649,174.86 : 425,742,117.97 = 183,112,492.90 : x
  2. Step 2: Convert to fraction form
    308,649,174.86/425,742,117.97 = 183,112,492.90/x
  3. Step 3: Cross multiply
    308,649,174.86x = 425,742,117.97 × 183,112,492.90
  4. Step 4: Simplify right side
    308,649,174.86x = 77,958,700,554,012,592
  5. Step 5: Solve for x
    x = 77,958,700,554,012,592/308,649,174.86
  6. Step 6: Final answer
    x = 252,580,297.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.