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Finding the Fourth Proportional to 111,060.60, 153,264.80 and 60,758.52

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Solution

The fourth proportional to 111,060.60, 153,264.80 and 60,758.52 is: 83,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,060.60 : 153,264.80 = 60,758.52 : x
  2. Step 2: Convert to fraction form
    111,060.60/153,264.80 = 60,758.52/x
  3. Step 3: Cross multiply
    111,060.60x = 153,264.80 × 60,758.52
  4. Step 4: Simplify right side
    111,060.60x = 9,312,142,416.10
  5. Step 5: Solve for x
    x = 9,312,142,416.10/111,060.60
  6. Step 6: Final answer
    x = 83,847.40

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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.