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Finding the Fourth Proportional to 105,065.80, 144,985.14 and 59,737.53

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Solution

The fourth proportional to 105,065.80, 144,985.14 and 59,737.53 is: 82,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,065.80 : 144,985.14 = 59,737.53 : x
  2. Step 2: Convert to fraction form
    105,065.80/144,985.14 = 59,737.53/x
  3. Step 3: Cross multiply
    105,065.80x = 144,985.14 × 59,737.53
  4. Step 4: Simplify right side
    105,065.80x = 8,661,054,150.30
  5. Step 5: Solve for x
    x = 8,661,054,150.30/105,065.80
  6. Step 6: Final answer
    x = 82,434.57

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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.