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Finding the Fourth Proportional to 82,948,097.60, 124,440,808.80 and 48,851,892.80

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Solution

The fourth proportional to 82,948,097.60, 124,440,808.80 and 48,851,892.80 is: 73,288,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948,097.60 : 124,440,808.80 = 48,851,892.80 : x
  2. Step 2: Convert to fraction form
    82,948,097.60/124,440,808.80 = 48,851,892.80/x
  3. Step 3: Cross multiply
    82,948,097.60x = 124,440,808.80 × 48,851,892.80
  4. Step 4: Simplify right side
    82,948,097.60x = 6,079,169,051,442,896
  5. Step 5: Solve for x
    x = 6,079,169,051,442,896/82,948,097.60
  6. Step 6: Final answer
    x = 73,288,830.33

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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.