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Finding the Fourth Proportional to 153,373.85, 211,601.14 and 88,807.85

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Solution

The fourth proportional to 153,373.85, 211,601.14 and 88,807.85 is: 122,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,373.85 : 211,601.14 = 88,807.85 : x
  2. Step 2: Convert to fraction form
    153,373.85/211,601.14 = 88,807.85/x
  3. Step 3: Cross multiply
    153,373.85x = 211,601.14 × 88,807.85
  4. Step 4: Simplify right side
    153,373.85x = 18,791,842,300.95
  5. Step 5: Solve for x
    x = 18,791,842,300.95/153,373.85
  6. Step 6: Final answer
    x = 122,523.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.