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Finding the Fourth Proportional to 117,335.40, 176,003.10 and 97,895.40

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Solution

The fourth proportional to 117,335.40, 176,003.10 and 97,895.40 is: 146,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,335.40 : 176,003.10 = 97,895.40 : x
  2. Step 2: Convert to fraction form
    117,335.40/176,003.10 = 97,895.40/x
  3. Step 3: Cross multiply
    117,335.40x = 176,003.10 × 97,895.40
  4. Step 4: Simplify right side
    117,335.40x = 17,229,893,875.74
  5. Step 5: Solve for x
    x = 17,229,893,875.74/117,335.40
  6. Step 6: Final answer
    x = 146,843.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.