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Finding the Fourth Proportional to 60,695,904.60, 91,043,856.90 and 53,680,883.40

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Solution

The fourth proportional to 60,695,904.60, 91,043,856.90 and 53,680,883.40 is: 80,521,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,695,904.60 : 91,043,856.90 = 53,680,883.40 : x
  2. Step 2: Convert to fraction form
    60,695,904.60/91,043,856.90 = 53,680,883.40/x
  3. Step 3: Cross multiply
    60,695,904.60x = 91,043,856.90 × 53,680,883.40
  4. Step 4: Simplify right side
    60,695,904.60x = 4,887,314,666,535,186
  5. Step 5: Solve for x
    x = 4,887,314,666,535,186/60,695,904.60
  6. Step 6: Final answer
    x = 80,521,325.10

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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.