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Finding the Fourth Proportional to 160,498.62, 221,476.02 and 87,885.60

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Solution

The fourth proportional to 160,498.62, 221,476.02 and 87,885.60 is: 121,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,498.62 : 221,476.02 = 87,885.60 : x
  2. Step 2: Convert to fraction form
    160,498.62/221,476.02 = 87,885.60/x
  3. Step 3: Cross multiply
    160,498.62x = 221,476.02 × 87,885.60
  4. Step 4: Simplify right side
    160,498.62x = 19,464,552,903.31
  5. Step 5: Solve for x
    x = 19,464,552,903.31/160,498.62
  6. Step 6: Final answer
    x = 121,275.52

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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.