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Finding the Fourth Proportional to 79,663,502.03, 109,939,025.72 and 44,381,287.13

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Solution

The fourth proportional to 79,663,502.03, 109,939,025.72 and 44,381,287.13 is: 61,248,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663,502.03 : 109,939,025.72 = 44,381,287.13 : x
  2. Step 2: Convert to fraction form
    79,663,502.03/109,939,025.72 = 44,381,287.13/x
  3. Step 3: Cross multiply
    79,663,502.03x = 109,939,025.72 × 44,381,287.13
  4. Step 4: Simplify right side
    79,663,502.03x = 4,879,235,466,833,033
  5. Step 5: Solve for x
    x = 4,879,235,466,833,033/79,663,502.03
  6. Step 6: Final answer
    x = 61,248,066.46

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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.