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Finding the Fourth Proportional to 104,959.51, 144,838.65 and 59,631.20

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Solution

The fourth proportional to 104,959.51, 144,838.65 and 59,631.20 is: 82,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,959.51 : 144,838.65 = 59,631.20 : x
  2. Step 2: Convert to fraction form
    104,959.51/144,838.65 = 59,631.20/x
  3. Step 3: Cross multiply
    104,959.51x = 144,838.65 × 59,631.20
  4. Step 4: Simplify right side
    104,959.51x = 8,636,901,781.69
  5. Step 5: Solve for x
    x = 8,636,901,781.69/104,959.51
  6. Step 6: Final answer
    x = 82,287.94

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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.