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Finding the Fourth Proportional to 293,084.95, 439,619.19 and 93,417.30

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Solution

The fourth proportional to 293,084.95, 439,619.19 and 93,417.30 is: 140,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,084.95 : 439,619.19 = 93,417.30 : x
  2. Step 2: Convert to fraction form
    293,084.95/439,619.19 = 93,417.30/x
  3. Step 3: Cross multiply
    293,084.95x = 439,619.19 × 93,417.30
  4. Step 4: Simplify right side
    293,084.95x = 41,068,037,290.90
  5. Step 5: Solve for x
    x = 41,068,037,290.90/293,084.95
  6. Step 6: Final answer
    x = 140,123.32

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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.