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Finding the Fourth Proportional to 144,127.96, 216,214.98 and 61,034.20

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Solution

The fourth proportional to 144,127.96, 216,214.98 and 61,034.20 is: 91,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,127.96 : 216,214.98 = 61,034.20 : x
  2. Step 2: Convert to fraction form
    144,127.96/216,214.98 = 61,034.20/x
  3. Step 3: Cross multiply
    144,127.96x = 216,214.98 × 61,034.20
  4. Step 4: Simplify right side
    144,127.96x = 13,196,508,332.32
  5. Step 5: Solve for x
    x = 13,196,508,332.32/144,127.96
  6. Step 6: Final answer
    x = 91,561.06

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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.