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Finding the Fourth Proportional to 163,127.34, 225,298.08 and 112,296

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Solution

The fourth proportional to 163,127.34, 225,298.08 and 112,296 is: 155,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,127.34 : 225,298.08 = 112,296 : x
  2. Step 2: Convert to fraction form
    163,127.34/225,298.08 = 112,296/x
  3. Step 3: Cross multiply
    163,127.34x = 225,298.08 × 112,296
  4. Step 4: Simplify right side
    163,127.34x = 25,300,073,191.68
  5. Step 5: Solve for x
    x = 25,300,073,191.68/163,127.34
  6. Step 6: Final answer
    x = 155,094.01

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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.