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Finding the Fourth Proportional to 153,244.48, 211,473.48 and 88,704.76

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Solution

The fourth proportional to 153,244.48, 211,473.48 and 88,704.76 is: 122,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,244.48 : 211,473.48 = 88,704.76 : x
  2. Step 2: Convert to fraction form
    153,244.48/211,473.48 = 88,704.76/x
  3. Step 3: Cross multiply
    153,244.48x = 211,473.48 × 88,704.76
  4. Step 4: Simplify right side
    153,244.48x = 18,758,704,289.76
  5. Step 5: Solve for x
    x = 18,758,704,289.76/153,244.48
  6. Step 6: Final answer
    x = 122,410.31

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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.