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Finding the Fourth Proportional to 159,575.40, 239,398.20 and 47,264.40

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Solution

The fourth proportional to 159,575.40, 239,398.20 and 47,264.40 is: 70,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,575.40 : 239,398.20 = 47,264.40 : x
  2. Step 2: Convert to fraction form
    159,575.40/239,398.20 = 47,264.40/x
  3. Step 3: Cross multiply
    159,575.40x = 239,398.20 × 47,264.40
  4. Step 4: Simplify right side
    159,575.40x = 11,315,012,284.08
  5. Step 5: Solve for x
    x = 11,315,012,284.08/159,575.40
  6. Step 6: Final answer
    x = 70,907.00

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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.