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Finding the Fourth Proportional to 173,465.97, 239,369.79 and 105,473.52

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Solution

The fourth proportional to 173,465.97, 239,369.79 and 105,473.52 is: 145,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,465.97 : 239,369.79 = 105,473.52 : x
  2. Step 2: Convert to fraction form
    173,465.97/239,369.79 = 105,473.52/x
  3. Step 3: Cross multiply
    173,465.97x = 239,369.79 × 105,473.52
  4. Step 4: Simplify right side
    173,465.97x = 25,247,174,332.96
  5. Step 5: Solve for x
    x = 25,247,174,332.96/173,465.97
  6. Step 6: Final answer
    x = 145,545.40

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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.