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Finding the Fourth Proportional to 158,603.40, 237,903.48 and 53,421.66

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Solution

The fourth proportional to 158,603.40, 237,903.48 and 53,421.66 is: 80,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,603.40 : 237,903.48 = 53,421.66 : x
  2. Step 2: Convert to fraction form
    158,603.40/237,903.48 = 53,421.66/x
  3. Step 3: Cross multiply
    158,603.40x = 237,903.48 × 53,421.66
  4. Step 4: Simplify right side
    158,603.40x = 12,709,198,821.38
  5. Step 5: Solve for x
    x = 12,709,198,821.38/158,603.40
  6. Step 6: Final answer
    x = 80,131.94

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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.