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Finding the Fourth Proportional to 144,624.40, 217,066.20 and 124,925.20

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Solution

The fourth proportional to 144,624.40, 217,066.20 and 124,925.20 is: 187,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624.40 : 217,066.20 = 124,925.20 : x
  2. Step 2: Convert to fraction form
    144,624.40/217,066.20 = 124,925.20/x
  3. Step 3: Cross multiply
    144,624.40x = 217,066.20 × 124,925.20
  4. Step 4: Simplify right side
    144,624.40x = 27,117,038,448.24
  5. Step 5: Solve for x
    x = 27,117,038,448.24/144,624.40
  6. Step 6: Final answer
    x = 187,499.75

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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.