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Finding the Fourth Proportional to 158,257.40, 237,386.10 and 47,449.40

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Solution

The fourth proportional to 158,257.40, 237,386.10 and 47,449.40 is: 71,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,257.40 : 237,386.10 = 47,449.40 : x
  2. Step 2: Convert to fraction form
    158,257.40/237,386.10 = 47,449.40/x
  3. Step 3: Cross multiply
    158,257.40x = 237,386.10 × 47,449.40
  4. Step 4: Simplify right side
    158,257.40x = 11,263,828,013.34
  5. Step 5: Solve for x
    x = 11,263,828,013.34/158,257.40
  6. Step 6: Final answer
    x = 71,174.10

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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.