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Finding the Fourth Proportional to 45,819,062.70, 68,728,594.05 and 25,411,728.30

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Solution

The fourth proportional to 45,819,062.70, 68,728,594.05 and 25,411,728.30 is: 38,117,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819,062.70 : 68,728,594.05 = 25,411,728.30 : x
  2. Step 2: Convert to fraction form
    45,819,062.70/68,728,594.05 = 25,411,728.30/x
  3. Step 3: Cross multiply
    45,819,062.70x = 68,728,594.05 × 25,411,728.30
  4. Step 4: Simplify right side
    45,819,062.70x = 1,746,512,358,439,596.50
  5. Step 5: Solve for x
    x = 1,746,512,358,439,596.50/45,819,062.70
  6. Step 6: Final answer
    x = 38,117,592.45

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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.