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Finding the Fourth Proportional to 160,607.81, 240,925.39 and 42,279.49

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Solution

The fourth proportional to 160,607.81, 240,925.39 and 42,279.49 is: 63,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,607.81 : 240,925.39 = 42,279.49 : x
  2. Step 2: Convert to fraction form
    160,607.81/240,925.39 = 42,279.49/x
  3. Step 3: Cross multiply
    160,607.81x = 240,925.39 × 42,279.49
  4. Step 4: Simplify right side
    160,607.81x = 10,186,203,490.31
  5. Step 5: Solve for x
    x = 10,186,203,490.31/160,607.81
  6. Step 6: Final answer
    x = 63,422.84

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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.