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Finding the Fourth Proportional to 53,808,548.80, 80,712,823.20 and 37,369,307.20

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Solution

The fourth proportional to 53,808,548.80, 80,712,823.20 and 37,369,307.20 is: 56,053,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808,548.80 : 80,712,823.20 = 37,369,307.20 : x
  2. Step 2: Convert to fraction form
    53,808,548.80/80,712,823.20 = 37,369,307.20/x
  3. Step 3: Cross multiply
    53,808,548.80x = 80,712,823.20 × 37,369,307.20
  4. Step 4: Simplify right side
    53,808,548.80x = 3,016,182,285,140,087.50
  5. Step 5: Solve for x
    x = 3,016,182,285,140,087.50/53,808,548.80
  6. Step 6: Final answer
    x = 56,053,960.80

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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.