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Finding the Fourth Proportional to 153,476.60, 211,798.19 and 88,958.50

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Solution

The fourth proportional to 153,476.60, 211,798.19 and 88,958.50 is: 122,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,476.60 : 211,798.19 = 88,958.50 : x
  2. Step 2: Convert to fraction form
    153,476.60/211,798.19 = 88,958.50/x
  3. Step 3: Cross multiply
    153,476.60x = 211,798.19 × 88,958.50
  4. Step 4: Simplify right side
    153,476.60x = 18,841,250,169.38
  5. Step 5: Solve for x
    x = 18,841,250,169.38/153,476.60
  6. Step 6: Final answer
    x = 122,763.02

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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.