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Finding the Fourth Proportional to 318,068.43, 477,028.80 and 93,368.52

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Solution

The fourth proportional to 318,068.43, 477,028.80 and 93,368.52 is: 140,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,068.43 : 477,028.80 = 93,368.52 : x
  2. Step 2: Convert to fraction form
    318,068.43/477,028.80 = 93,368.52/x
  3. Step 3: Cross multiply
    318,068.43x = 477,028.80 × 93,368.52
  4. Step 4: Simplify right side
    318,068.43x = 44,539,473,053.38
  5. Step 5: Solve for x
    x = 44,539,473,053.38/318,068.43
  6. Step 6: Final answer
    x = 140,031.10

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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.