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Finding the Fourth Proportional to 163,063.60, 225,038.52 and 91,448.24

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Solution

The fourth proportional to 163,063.60, 225,038.52 and 91,448.24 is: 126,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,063.60 : 225,038.52 = 91,448.24 : x
  2. Step 2: Convert to fraction form
    163,063.60/225,038.52 = 91,448.24/x
  3. Step 3: Cross multiply
    163,063.60x = 225,038.52 × 91,448.24
  4. Step 4: Simplify right side
    163,063.60x = 20,579,376,586.20
  5. Step 5: Solve for x
    x = 20,579,376,586.20/163,063.60
  6. Step 6: Final answer
    x = 126,204.60

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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.