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Finding the Fourth Proportional to 104,851.80, 144,715.41 and 62,433.72

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Solution

The fourth proportional to 104,851.80, 144,715.41 and 62,433.72 is: 86,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,851.80 : 144,715.41 = 62,433.72 : x
  2. Step 2: Convert to fraction form
    104,851.80/144,715.41 = 62,433.72/x
  3. Step 3: Cross multiply
    104,851.80x = 144,715.41 × 62,433.72
  4. Step 4: Simplify right side
    104,851.80x = 9,035,121,387.63
  5. Step 5: Solve for x
    x = 9,035,121,387.63/104,851.80
  6. Step 6: Final answer
    x = 86,170.40

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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.