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Finding the Fourth Proportional to 176,886.40, 265,329.60 and 117,837.40

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Solution

The fourth proportional to 176,886.40, 265,329.60 and 117,837.40 is: 176,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,886.40 : 265,329.60 = 117,837.40 : x
  2. Step 2: Convert to fraction form
    176,886.40/265,329.60 = 117,837.40/x
  3. Step 3: Cross multiply
    176,886.40x = 265,329.60 × 117,837.40
  4. Step 4: Simplify right side
    176,886.40x = 31,265,750,207.04
  5. Step 5: Solve for x
    x = 31,265,750,207.04/176,886.40
  6. Step 6: Final answer
    x = 176,756.10

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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.