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Finding the Fourth Proportional to 64,258,952.90, 88,678,895.85 and 34,891,523.24

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Solution

The fourth proportional to 64,258,952.90, 88,678,895.85 and 34,891,523.24 is: 48,151,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,258,952.90 : 88,678,895.85 = 34,891,523.24 : x
  2. Step 2: Convert to fraction form
    64,258,952.90/88,678,895.85 = 34,891,523.24/x
  3. Step 3: Cross multiply
    64,258,952.90x = 88,678,895.85 × 34,891,523.24
  4. Step 4: Simplify right side
    64,258,952.90x = 3,094,141,755,004,420
  5. Step 5: Solve for x
    x = 3,094,141,755,004,420/64,258,952.90
  6. Step 6: Final answer
    x = 48,151,138.72

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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.