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Finding the Fourth Proportional to 160,366.66, 240,531.49 and 42,047.40

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Solution

The fourth proportional to 160,366.66, 240,531.49 and 42,047.40 is: 63,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,366.66 : 240,531.49 = 42,047.40 : x
  2. Step 2: Convert to fraction form
    160,366.66/240,531.49 = 42,047.40/x
  3. Step 3: Cross multiply
    160,366.66x = 240,531.49 × 42,047.40
  4. Step 4: Simplify right side
    160,366.66x = 10,113,723,772.63
  5. Step 5: Solve for x
    x = 10,113,723,772.63/160,366.66
  6. Step 6: Final answer
    x = 63,066.25

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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.