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Finding the Fourth Proportional to 242,088.80, 363,003.60 and 101,688.80

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Solution

The fourth proportional to 242,088.80, 363,003.60 and 101,688.80 is: 152,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,088.80 : 363,003.60 = 101,688.80 : x
  2. Step 2: Convert to fraction form
    242,088.80/363,003.60 = 101,688.80/x
  3. Step 3: Cross multiply
    242,088.80x = 363,003.60 × 101,688.80
  4. Step 4: Simplify right side
    242,088.80x = 36,913,400,479.68
  5. Step 5: Solve for x
    x = 36,913,400,479.68/242,088.80
  6. Step 6: Final answer
    x = 152,478.76

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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.