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Finding the Fourth Proportional to 111,533.76, 153,911.34 and 60,545.34

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Solution

The fourth proportional to 111,533.76, 153,911.34 and 60,545.34 is: 83,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,533.76 : 153,911.34 = 60,545.34 : x
  2. Step 2: Convert to fraction form
    111,533.76/153,911.34 = 60,545.34/x
  3. Step 3: Cross multiply
    111,533.76x = 153,911.34 × 60,545.34
  4. Step 4: Simplify right side
    111,533.76x = 9,318,614,410.16
  5. Step 5: Solve for x
    x = 9,318,614,410.16/111,533.76
  6. Step 6: Final answer
    x = 83,549.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.