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Finding the Fourth Proportional to 158,603.90, 237,904.23 and 53,422.16

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Solution

The fourth proportional to 158,603.90, 237,904.23 and 53,422.16 is: 80,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,603.90 : 237,904.23 = 53,422.16 : x
  2. Step 2: Convert to fraction form
    158,603.90/237,904.23 = 53,422.16/x
  3. Step 3: Cross multiply
    158,603.90x = 237,904.23 × 53,422.16
  4. Step 4: Simplify right side
    158,603.90x = 12,709,357,839.74
  5. Step 5: Solve for x
    x = 12,709,357,839.74/158,603.90
  6. Step 6: Final answer
    x = 80,132.69

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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.