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Finding the Fourth Proportional to 155,353.77, 232,883.03 and 99,035.80

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Solution

The fourth proportional to 155,353.77, 232,883.03 and 99,035.80 is: 148,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,353.77 : 232,883.03 = 99,035.80 : x
  2. Step 2: Convert to fraction form
    155,353.77/232,883.03 = 99,035.80/x
  3. Step 3: Cross multiply
    155,353.77x = 232,883.03 × 99,035.80
  4. Step 4: Simplify right side
    155,353.77x = 23,063,756,847.86
  5. Step 5: Solve for x
    x = 23,063,756,847.86/155,353.77
  6. Step 6: Final answer
    x = 148,459.59

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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.