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Finding the Fourth Proportional to 145,363.68, 218,003.40 and 56,597.40

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Solution

The fourth proportional to 145,363.68, 218,003.40 and 56,597.40 is: 84,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,363.68 : 218,003.40 = 56,597.40 : x
  2. Step 2: Convert to fraction form
    145,363.68/218,003.40 = 56,597.40/x
  3. Step 3: Cross multiply
    145,363.68x = 218,003.40 × 56,597.40
  4. Step 4: Simplify right side
    145,363.68x = 12,338,425,631.16
  5. Step 5: Solve for x
    x = 12,338,425,631.16/145,363.68
  6. Step 6: Final answer
    x = 84,879.70

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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.