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Finding the Fourth Proportional to 145,166.46, 217,763.46 and 56,426.82

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Solution

The fourth proportional to 145,166.46, 217,763.46 and 56,426.82 is: 84,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,166.46 : 217,763.46 = 56,426.82 : x
  2. Step 2: Convert to fraction form
    145,166.46/217,763.46 = 56,426.82/x
  3. Step 3: Cross multiply
    145,166.46x = 217,763.46 × 56,426.82
  4. Step 4: Simplify right side
    145,166.46x = 12,287,699,560.00
  5. Step 5: Solve for x
    x = 12,287,699,560.00/145,166.46
  6. Step 6: Final answer
    x = 84,645.58

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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.