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Finding the Fourth Proportional to 160,609, 240,928.35 and 42,280.96

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Solution

The fourth proportional to 160,609, 240,928.35 and 42,280.96 is: 63,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,609 : 240,928.35 = 42,280.96 : x
  2. Step 2: Convert to fraction form
    160,609/240,928.35 = 42,280.96/x
  3. Step 3: Cross multiply
    160,609x = 240,928.35 × 42,280.96
  4. Step 4: Simplify right side
    160,609x = 10,186,681,929.22
  5. Step 5: Solve for x
    x = 10,186,681,929.22/160,609
  6. Step 6: Final answer
    x = 63,425.35

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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.