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Finding the Fourth Proportional to 104,673.79, 144,452.85 and 64,411.12

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Solution

The fourth proportional to 104,673.79, 144,452.85 and 64,411.12 is: 88,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,673.79 : 144,452.85 = 64,411.12 : x
  2. Step 2: Convert to fraction form
    104,673.79/144,452.85 = 64,411.12/x
  3. Step 3: Cross multiply
    104,673.79x = 144,452.85 × 64,411.12
  4. Step 4: Simplify right side
    104,673.79x = 9,304,370,277.80
  5. Step 5: Solve for x
    x = 9,304,370,277.80/104,673.79
  6. Step 6: Final answer
    x = 88,889.21

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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.