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Finding the Fourth Proportional to 156,041.40, 233,478.90 and 103,553.40

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Solution

The fourth proportional to 156,041.40, 233,478.90 and 103,553.40 is: 154,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,041.40 : 233,478.90 = 103,553.40 : x
  2. Step 2: Convert to fraction form
    156,041.40/233,478.90 = 103,553.40/x
  3. Step 3: Cross multiply
    156,041.40x = 233,478.90 × 103,553.40
  4. Step 4: Simplify right side
    156,041.40x = 24,177,533,923.26
  5. Step 5: Solve for x
    x = 24,177,533,923.26/156,041.40
  6. Step 6: Final answer
    x = 154,943.07

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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.