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Finding the Fourth Proportional to 163,065.57, 225,032.77 and 98,525.80

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Solution

The fourth proportional to 163,065.57, 225,032.77 and 98,525.80 is: 135,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,065.57 : 225,032.77 = 98,525.80 : x
  2. Step 2: Convert to fraction form
    163,065.57/225,032.77 = 98,525.80/x
  3. Step 3: Cross multiply
    163,065.57x = 225,032.77 × 98,525.80
  4. Step 4: Simplify right side
    163,065.57x = 22,171,533,690.47
  5. Step 5: Solve for x
    x = 22,171,533,690.47/163,065.57
  6. Step 6: Final answer
    x = 135,966.98

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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.