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Finding the Fourth Proportional to 52,791,057.60, 79,186,586.40 and 48,964,682.40

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Solution

The fourth proportional to 52,791,057.60, 79,186,586.40 and 48,964,682.40 is: 73,447,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791,057.60 : 79,186,586.40 = 48,964,682.40 : x
  2. Step 2: Convert to fraction form
    52,791,057.60/79,186,586.40 = 48,964,682.40/x
  3. Step 3: Cross multiply
    52,791,057.60x = 79,186,586.40 × 48,964,682.40
  4. Step 4: Simplify right side
    52,791,057.60x = 3,877,346,053,416,159.50
  5. Step 5: Solve for x
    x = 3,877,346,053,416,159.50/52,791,057.60
  6. Step 6: Final answer
    x = 73,447,023.60

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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.