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Finding the Fourth Proportional to 60,562,542.60, 90,843,813.90 and 55,885,861.80

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Solution

The fourth proportional to 60,562,542.60, 90,843,813.90 and 55,885,861.80 is: 83,828,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,562,542.60 : 90,843,813.90 = 55,885,861.80 : x
  2. Step 2: Convert to fraction form
    60,562,542.60/90,843,813.90 = 55,885,861.80/x
  3. Step 3: Cross multiply
    60,562,542.60x = 90,843,813.90 × 55,885,861.80
  4. Step 4: Simplify right side
    60,562,542.60x = 5,076,884,829,000,319
  5. Step 5: Solve for x
    x = 5,076,884,829,000,319/60,562,542.60
  6. Step 6: Final answer
    x = 83,828,792.70

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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.