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Finding the Fourth Proportional to 172,851.60, 238,535.16 and 93,363.60

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Solution

The fourth proportional to 172,851.60, 238,535.16 and 93,363.60 is: 128,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,851.60 : 238,535.16 = 93,363.60 : x
  2. Step 2: Convert to fraction form
    172,851.60/238,535.16 = 93,363.60/x
  3. Step 3: Cross multiply
    172,851.60x = 238,535.16 × 93,363.60
  4. Step 4: Simplify right side
    172,851.60x = 22,270,501,264.18
  5. Step 5: Solve for x
    x = 22,270,501,264.18/172,851.60
  6. Step 6: Final answer
    x = 128,841.74

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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.