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Finding the Fourth Proportional to 149,387.80, 224,123.34 and 65,155.48

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Solution

The fourth proportional to 149,387.80, 224,123.34 and 65,155.48 is: 97,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,387.80 : 224,123.34 = 65,155.48 : x
  2. Step 2: Convert to fraction form
    149,387.80/224,123.34 = 65,155.48/x
  3. Step 3: Cross multiply
    149,387.80x = 224,123.34 × 65,155.48
  4. Step 4: Simplify right side
    149,387.80x = 14,602,863,796.90
  5. Step 5: Solve for x
    x = 14,602,863,796.90/149,387.80
  6. Step 6: Final answer
    x = 97,751.38

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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.