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Finding the Fourth Proportional to 114,051.93, 157,385.25 and 63,061.62

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Solution

The fourth proportional to 114,051.93, 157,385.25 and 63,061.62 is: 87,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,051.93 : 157,385.25 = 63,061.62 : x
  2. Step 2: Convert to fraction form
    114,051.93/157,385.25 = 63,061.62/x
  3. Step 3: Cross multiply
    114,051.93x = 157,385.25 × 63,061.62
  4. Step 4: Simplify right side
    114,051.93x = 9,924,968,829.11
  5. Step 5: Solve for x
    x = 9,924,968,829.11/114,051.93
  6. Step 6: Final answer
    x = 87,021.49

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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.