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Finding the Fourth Proportional to 169,901.15, 234,469.61 and 93,426.08

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Solution

The fourth proportional to 169,901.15, 234,469.61 and 93,426.08 is: 128,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,901.15 : 234,469.61 = 93,426.08 : x
  2. Step 2: Convert to fraction form
    169,901.15/234,469.61 = 93,426.08/x
  3. Step 3: Cross multiply
    169,901.15x = 234,469.61 × 93,426.08
  4. Step 4: Simplify right side
    169,901.15x = 21,905,574,901.95
  5. Step 5: Solve for x
    x = 21,905,574,901.95/169,901.15
  6. Step 6: Final answer
    x = 128,931.30

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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.