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Finding the Fourth Proportional to 179,698.60, 269,547.90 and 123,711.40

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Solution

The fourth proportional to 179,698.60, 269,547.90 and 123,711.40 is: 185,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,698.60 : 269,547.90 = 123,711.40 : x
  2. Step 2: Convert to fraction form
    179,698.60/269,547.90 = 123,711.40/x
  3. Step 3: Cross multiply
    179,698.60x = 269,547.90 × 123,711.40
  4. Step 4: Simplify right side
    179,698.60x = 33,346,148,076.06
  5. Step 5: Solve for x
    x = 33,346,148,076.06/179,698.60
  6. Step 6: Final answer
    x = 185,567.10

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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.