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Finding the Fourth Proportional to 176,860.65, 265,200.81 and 86,909.34

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Solution

The fourth proportional to 176,860.65, 265,200.81 and 86,909.34 is: 130,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,860.65 : 265,200.81 = 86,909.34 : x
  2. Step 2: Convert to fraction form
    176,860.65/265,200.81 = 86,909.34/x
  3. Step 3: Cross multiply
    176,860.65x = 265,200.81 × 86,909.34
  4. Step 4: Simplify right side
    176,860.65x = 23,048,427,364.57
  5. Step 5: Solve for x
    x = 23,048,427,364.57/176,860.65
  6. Step 6: Final answer
    x = 130,319.70

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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.