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Finding the Fourth Proportional to 176,843.40, 265,265.10 and 106,859.40

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Solution

The fourth proportional to 176,843.40, 265,265.10 and 106,859.40 is: 160,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,843.40 : 265,265.10 = 106,859.40 : x
  2. Step 2: Convert to fraction form
    176,843.40/265,265.10 = 106,859.40/x
  3. Step 3: Cross multiply
    176,843.40x = 265,265.10 × 106,859.40
  4. Step 4: Simplify right side
    176,843.40x = 28,346,069,426.94
  5. Step 5: Solve for x
    x = 28,346,069,426.94/176,843.40
  6. Step 6: Final answer
    x = 160,289.10

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1.5x scale

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.