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Finding the Fourth Proportional to 163,545.69, 225,699.45 and 91,925.49

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Solution

The fourth proportional to 163,545.69, 225,699.45 and 91,925.49 is: 126,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545.69 : 225,699.45 = 91,925.49 : x
  2. Step 2: Convert to fraction form
    163,545.69/225,699.45 = 91,925.49/x
  3. Step 3: Cross multiply
    163,545.69x = 225,699.45 × 91,925.49
  4. Step 4: Simplify right side
    163,545.69x = 20,747,532,533.98
  5. Step 5: Solve for x
    x = 20,747,532,533.98/163,545.69
  6. Step 6: Final answer
    x = 126,860.77

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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.