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Finding the Fourth Proportional to 174,656.20, 261,984.30 and 148,412.20

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Solution

The fourth proportional to 174,656.20, 261,984.30 and 148,412.20 is: 222,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,656.20 : 261,984.30 = 148,412.20 : x
  2. Step 2: Convert to fraction form
    174,656.20/261,984.30 = 148,412.20/x
  3. Step 3: Cross multiply
    174,656.20x = 261,984.30 × 148,412.20
  4. Step 4: Simplify right side
    174,656.20x = 38,881,666,328.46
  5. Step 5: Solve for x
    x = 38,881,666,328.46/174,656.20
  6. Step 6: Final answer
    x = 222,618.30

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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.