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Finding the Fourth Proportional to 173,290.38, 239,140.72 and 93,802.38

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Solution

The fourth proportional to 173,290.38, 239,140.72 and 93,802.38 is: 129,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,290.38 : 239,140.72 = 93,802.38 : x
  2. Step 2: Convert to fraction form
    173,290.38/239,140.72 = 93,802.38/x
  3. Step 3: Cross multiply
    173,290.38x = 239,140.72 × 93,802.38
  4. Step 4: Simplify right side
    173,290.38x = 22,431,968,690.91
  5. Step 5: Solve for x
    x = 22,431,968,690.91/173,290.38
  6. Step 6: Final answer
    x = 129,447.28

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1.5x scale

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.