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Finding the Fourth Proportional to 144,397.59, 216,617.79 and 49,652.19

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Solution

The fourth proportional to 144,397.59, 216,617.79 and 49,652.19 is: 74,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,397.59 : 216,617.79 = 49,652.19 : x
  2. Step 2: Convert to fraction form
    144,397.59/216,617.79 = 49,652.19/x
  3. Step 3: Cross multiply
    144,397.59x = 216,617.79 × 49,652.19
  4. Step 4: Simplify right side
    144,397.59x = 10,755,547,852.66
  5. Step 5: Solve for x
    x = 10,755,547,852.66/144,397.59
  6. Step 6: Final answer
    x = 74,485.65

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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.