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Finding the Fourth Proportional to 105,695.84, 158,543.76 and 35,569.28

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Solution

The fourth proportional to 105,695.84, 158,543.76 and 35,569.28 is: 53,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,695.84 : 158,543.76 = 35,569.28 : x
  2. Step 2: Convert to fraction form
    105,695.84/158,543.76 = 35,569.28/x
  3. Step 3: Cross multiply
    105,695.84x = 158,543.76 × 35,569.28
  4. Step 4: Simplify right side
    105,695.84x = 5,639,287,391.69
  5. Step 5: Solve for x
    x = 5,639,287,391.69/105,695.84
  6. Step 6: Final answer
    x = 53,353.92

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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.