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Finding the Fourth Proportional to 121,301.60, 181,952.40 and 95,932.40

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Solution

The fourth proportional to 121,301.60, 181,952.40 and 95,932.40 is: 143,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,301.60 : 181,952.40 = 95,932.40 : x
  2. Step 2: Convert to fraction form
    121,301.60/181,952.40 = 95,932.40/x
  3. Step 3: Cross multiply
    121,301.60x = 181,952.40 × 95,932.40
  4. Step 4: Simplify right side
    121,301.60x = 17,455,130,417.76
  5. Step 5: Solve for x
    x = 17,455,130,417.76/121,301.60
  6. Step 6: Final answer
    x = 143,898.60

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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.