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Finding the Fourth Proportional to 163,461.47, 225,577.02 and 91,841.45

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Solution

The fourth proportional to 163,461.47, 225,577.02 and 91,841.45 is: 126,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,461.47 : 225,577.02 = 91,841.45 : x
  2. Step 2: Convert to fraction form
    163,461.47/225,577.02 = 91,841.45/x
  3. Step 3: Cross multiply
    163,461.47x = 225,577.02 × 91,841.45
  4. Step 4: Simplify right side
    163,461.47x = 20,717,320,603.48
  5. Step 5: Solve for x
    x = 20,717,320,603.48/163,461.47
  6. Step 6: Final answer
    x = 126,741.31

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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.