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Finding the Fourth Proportional to 293,159.39, 439,810.70 and 93,479.81

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Solution

The fourth proportional to 293,159.39, 439,810.70 and 93,479.81 is: 140,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,159.39 : 439,810.70 = 93,479.81 : x
  2. Step 2: Convert to fraction form
    293,159.39/439,810.70 = 93,479.81/x
  3. Step 3: Cross multiply
    293,159.39x = 439,810.70 × 93,479.81
  4. Step 4: Simplify right side
    293,159.39x = 41,113,418,005.51
  5. Step 5: Solve for x
    x = 41,113,418,005.51/293,159.39
  6. Step 6: Final answer
    x = 140,242.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.