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Finding the Fourth Proportional to 84,791,808.60, 127,187,712.90 and 24,199,661.40

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Solution

The fourth proportional to 84,791,808.60, 127,187,712.90 and 24,199,661.40 is: 36,299,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,791,808.60 : 127,187,712.90 = 24,199,661.40 : x
  2. Step 2: Convert to fraction form
    84,791,808.60/127,187,712.90 = 24,199,661.40/x
  3. Step 3: Cross multiply
    84,791,808.60x = 127,187,712.90 × 24,199,661.40
  4. Step 4: Simplify right side
    84,791,808.60x = 3,077,899,586,420,412
  5. Step 5: Solve for x
    x = 3,077,899,586,420,412/84,791,808.60
  6. Step 6: Final answer
    x = 36,299,492.10

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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.