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Finding the Fourth Proportional to 169,438.66, 233,816.86 and 97,814.40

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Solution

The fourth proportional to 169,438.66, 233,816.86 and 97,814.40 is: 134,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,438.66 : 233,816.86 = 97,814.40 : x
  2. Step 2: Convert to fraction form
    169,438.66/233,816.86 = 97,814.40/x
  3. Step 3: Cross multiply
    169,438.66x = 233,816.86 × 97,814.40
  4. Step 4: Simplify right side
    169,438.66x = 22,870,655,870.78
  5. Step 5: Solve for x
    x = 22,870,655,870.78/169,438.66
  6. Step 6: Final answer
    x = 134,978.97

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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.