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Finding the Fourth Proportional to 105,030.45, 144,936.24 and 59,702.13

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Solution

The fourth proportional to 105,030.45, 144,936.24 and 59,702.13 is: 82,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,030.45 : 144,936.24 = 59,702.13 : x
  2. Step 2: Convert to fraction form
    105,030.45/144,936.24 = 59,702.13/x
  3. Step 3: Cross multiply
    105,030.45x = 144,936.24 × 59,702.13
  4. Step 4: Simplify right side
    105,030.45x = 8,653,002,242.19
  5. Step 5: Solve for x
    x = 8,653,002,242.19/105,030.45
  6. Step 6: Final answer
    x = 82,385.65

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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.