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Finding the Fourth Proportional to 169,206.40, 233,950.40 and 148,211.20

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Solution

The fourth proportional to 169,206.40, 233,950.40 and 148,211.20 is: 204,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,206.40 : 233,950.40 = 148,211.20 : x
  2. Step 2: Convert to fraction form
    169,206.40/233,950.40 = 148,211.20/x
  3. Step 3: Cross multiply
    169,206.40x = 233,950.40 × 148,211.20
  4. Step 4: Simplify right side
    169,206.40x = 34,674,069,524.48
  5. Step 5: Solve for x
    x = 34,674,069,524.48/169,206.40
  6. Step 6: Final answer
    x = 204,921.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.