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Finding the Fourth Proportional to 170,813.72, 235,724.80 and 94,332.68

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Solution

The fourth proportional to 170,813.72, 235,724.80 and 94,332.68 is: 130,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,813.72 : 235,724.80 = 94,332.68 : x
  2. Step 2: Convert to fraction form
    170,813.72/235,724.80 = 94,332.68/x
  3. Step 3: Cross multiply
    170,813.72x = 235,724.80 × 94,332.68
  4. Step 4: Simplify right side
    170,813.72x = 22,236,552,126.46
  5. Step 5: Solve for x
    x = 22,236,552,126.46/170,813.72
  6. Step 6: Final answer
    x = 130,180.13

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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.