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Finding the Fourth Proportional to 104,658.83, 144,411.66 and 61,646.88

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Solution

The fourth proportional to 104,658.83, 144,411.66 and 61,646.88 is: 85,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.83 : 144,411.66 = 61,646.88 : x
  2. Step 2: Convert to fraction form
    104,658.83/144,411.66 = 61,646.88/x
  3. Step 3: Cross multiply
    104,658.83x = 144,411.66 × 61,646.88
  4. Step 4: Simplify right side
    104,658.83x = 8,902,528,274.62
  5. Step 5: Solve for x
    x = 8,902,528,274.62/104,658.83
  6. Step 6: Final answer
    x = 85,062.37

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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.