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Finding the Fourth Proportional to 105,044.25, 144,936.14 and 59,718.68

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Solution

The fourth proportional to 105,044.25, 144,936.14 and 59,718.68 is: 82,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,044.25 : 144,936.14 = 59,718.68 : x
  2. Step 2: Convert to fraction form
    105,044.25/144,936.14 = 59,718.68/x
  3. Step 3: Cross multiply
    105,044.25x = 144,936.14 × 59,718.68
  4. Step 4: Simplify right side
    105,044.25x = 8,655,393,941.82
  5. Step 5: Solve for x
    x = 8,655,393,941.82/105,044.25
  6. Step 6: Final answer
    x = 82,397.60

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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.