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Finding the Fourth Proportional to 160,090.64, 220,925.78 and 87,495.00

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Solution

The fourth proportional to 160,090.64, 220,925.78 and 87,495.00 is: 120,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,090.64 : 220,925.78 = 87,495.00 : x
  2. Step 2: Convert to fraction form
    160,090.64/220,925.78 = 87,495.00/x
  3. Step 3: Cross multiply
    160,090.64x = 220,925.78 × 87,495.00
  4. Step 4: Simplify right side
    160,090.64x = 19,329,901,425.97
  5. Step 5: Solve for x
    x = 19,329,901,425.97/160,090.64
  6. Step 6: Final answer
    x = 120,743.48

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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.