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Finding the Fourth Proportional to 356,113.11, 534,222.29 and 103,360.84

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Solution

The fourth proportional to 356,113.11, 534,222.29 and 103,360.84 is: 155,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,113.11 : 534,222.29 = 103,360.84 : x
  2. Step 2: Convert to fraction form
    356,113.11/534,222.29 = 103,360.84/x
  3. Step 3: Cross multiply
    356,113.11x = 534,222.29 × 103,360.84
  4. Step 4: Simplify right side
    356,113.11x = 55,217,664,641.12
  5. Step 5: Solve for x
    x = 55,217,664,641.12/356,113.11
  6. Step 6: Final answer
    x = 155,056.53

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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.