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Finding the Fourth Proportional to 110,967.28, 153,134.82 and 60,666.28

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Solution

The fourth proportional to 110,967.28, 153,134.82 and 60,666.28 is: 83,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,967.28 : 153,134.82 = 60,666.28 : x
  2. Step 2: Convert to fraction form
    110,967.28/153,134.82 = 60,666.28/x
  3. Step 3: Cross multiply
    110,967.28x = 153,134.82 × 60,666.28
  4. Step 4: Simplify right side
    110,967.28x = 9,290,119,867.87
  5. Step 5: Solve for x
    x = 9,290,119,867.87/110,967.28
  6. Step 6: Final answer
    x = 83,719.45

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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.