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Finding the Fourth Proportional to 60,562,101.60, 90,843,152.40 and 55,885,420.80

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Solution

The fourth proportional to 60,562,101.60, 90,843,152.40 and 55,885,420.80 is: 83,828,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,562,101.60 : 90,843,152.40 = 55,885,420.80 : x
  2. Step 2: Convert to fraction form
    60,562,101.60/90,843,152.40 = 55,885,420.80/x
  3. Step 3: Cross multiply
    60,562,101.60x = 90,843,152.40 × 55,885,420.80
  4. Step 4: Simplify right side
    60,562,101.60x = 5,076,807,798,672,530
  5. Step 5: Solve for x
    x = 5,076,807,798,672,530/60,562,101.60
  6. Step 6: Final answer
    x = 83,828,131.20

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1.5x scale

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.