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Finding the Fourth Proportional to 144,266.62, 216,402.34 and 65,381.52

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Solution

The fourth proportional to 144,266.62, 216,402.34 and 65,381.52 is: 98,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,266.62 : 216,402.34 = 65,381.52 : x
  2. Step 2: Convert to fraction form
    144,266.62/216,402.34 = 65,381.52/x
  3. Step 3: Cross multiply
    144,266.62x = 216,402.34 × 65,381.52
  4. Step 4: Simplify right side
    144,266.62x = 14,148,713,920.76
  5. Step 5: Solve for x
    x = 14,148,713,920.76/144,266.62
  6. Step 6: Final answer
    x = 98,073.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.