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Finding the Fourth Proportional to 152,472.59, 210,409.03 and 84,488.97

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Solution

The fourth proportional to 152,472.59, 210,409.03 and 84,488.97 is: 116,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,472.59 : 210,409.03 = 84,488.97 : x
  2. Step 2: Convert to fraction form
    152,472.59/210,409.03 = 84,488.97/x
  3. Step 3: Cross multiply
    152,472.59x = 210,409.03 × 84,488.97
  4. Step 4: Simplify right side
    152,472.59x = 17,777,242,223.40
  5. Step 5: Solve for x
    x = 17,777,242,223.40/152,472.59
  6. Step 6: Final answer
    x = 116,593.04

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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.