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Finding the Fourth Proportional to 65,199,115.80, 97,798,673.70 and 19,755,005.40

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Solution

The fourth proportional to 65,199,115.80, 97,798,673.70 and 19,755,005.40 is: 29,632,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,199,115.80 : 97,798,673.70 = 19,755,005.40 : x
  2. Step 2: Convert to fraction form
    65,199,115.80/97,798,673.70 = 19,755,005.40/x
  3. Step 3: Cross multiply
    65,199,115.80x = 97,798,673.70 × 19,755,005.40
  4. Step 4: Simplify right side
    65,199,115.80x = 1,932,013,327,056,338
  5. Step 5: Solve for x
    x = 1,932,013,327,056,338/65,199,115.80
  6. Step 6: Final answer
    x = 29,632,508.10

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1.5x scale

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.