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Finding the Fourth Proportional to 144,460.80, 216,626.40 and 65,534.40

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Solution

The fourth proportional to 144,460.80, 216,626.40 and 65,534.40 is: 98,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,460.80 : 216,626.40 = 65,534.40 : x
  2. Step 2: Convert to fraction form
    144,460.80/216,626.40 = 65,534.40/x
  3. Step 3: Cross multiply
    144,460.80x = 216,626.40 × 65,534.40
  4. Step 4: Simplify right side
    144,460.80x = 14,196,481,148.16
  5. Step 5: Solve for x
    x = 14,196,481,148.16/144,460.80
  6. Step 6: Final answer
    x = 98,272.20

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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.