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Finding the Fourth Proportional to 163,607.01, 225,780.48 and 91,015.70

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Solution

The fourth proportional to 163,607.01, 225,780.48 and 91,015.70 is: 125,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,607.01 : 225,780.48 = 91,015.70 : x
  2. Step 2: Convert to fraction form
    163,607.01/225,780.48 = 91,015.70/x
  3. Step 3: Cross multiply
    163,607.01x = 225,780.48 × 91,015.70
  4. Step 4: Simplify right side
    163,607.01x = 20,549,567,304.63
  5. Step 5: Solve for x
    x = 20,549,567,304.63/163,607.01
  6. Step 6: Final answer
    x = 125,603.22

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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.