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Finding the Fourth Proportional to 169,378.24, 233,738.40 and 93,925.12

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Solution

The fourth proportional to 169,378.24, 233,738.40 and 93,925.12 is: 129,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,378.24 : 233,738.40 = 93,925.12 : x
  2. Step 2: Convert to fraction form
    169,378.24/233,738.40 = 93,925.12/x
  3. Step 3: Cross multiply
    169,378.24x = 233,738.40 × 93,925.12
  4. Step 4: Simplify right side
    169,378.24x = 21,953,907,268.61
  5. Step 5: Solve for x
    x = 21,953,907,268.61/169,378.24
  6. Step 6: Final answer
    x = 129,614.69

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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.