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Finding the Fourth Proportional to 170,282.79, 235,008.71 and 93,809.72

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Solution

The fourth proportional to 170,282.79, 235,008.71 and 93,809.72 is: 129,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,282.79 : 235,008.71 = 93,809.72 : x
  2. Step 2: Convert to fraction form
    170,282.79/235,008.71 = 93,809.72/x
  3. Step 3: Cross multiply
    170,282.79x = 235,008.71 × 93,809.72
  4. Step 4: Simplify right side
    170,282.79x = 22,046,101,401.13
  5. Step 5: Solve for x
    x = 22,046,101,401.13/170,282.79
  6. Step 6: Final answer
    x = 129,467.58

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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.