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Finding the Fourth Proportional to 104,798.50, 144,632.87 and 59,488.72

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Solution

The fourth proportional to 104,798.50, 144,632.87 and 59,488.72 is: 82,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,798.50 : 144,632.87 = 59,488.72 : x
  2. Step 2: Convert to fraction form
    104,798.50/144,632.87 = 59,488.72/x
  3. Step 3: Cross multiply
    104,798.50x = 144,632.87 × 59,488.72
  4. Step 4: Simplify right side
    104,798.50x = 8,604,024,306.23
  5. Step 5: Solve for x
    x = 8,604,024,306.23/104,798.50
  6. Step 6: Final answer
    x = 82,100.64

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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.