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Finding the Fourth Proportional to 111,235.34, 153,503.84 and 60,246.89

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Solution

The fourth proportional to 111,235.34, 153,503.84 and 60,246.89 is: 83,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,235.34 : 153,503.84 = 60,246.89 : x
  2. Step 2: Convert to fraction form
    111,235.34/153,503.84 = 60,246.89/x
  3. Step 3: Cross multiply
    111,235.34x = 153,503.84 × 60,246.89
  4. Step 4: Simplify right side
    111,235.34x = 9,248,128,921.80
  5. Step 5: Solve for x
    x = 9,248,128,921.80/111,235.34
  6. Step 6: Final answer
    x = 83,140.20

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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.