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Finding the Fourth Proportional to 124,301.80, 186,452.70 and 118,858.60

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Solution

The fourth proportional to 124,301.80, 186,452.70 and 118,858.60 is: 178,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,301.80 : 186,452.70 = 118,858.60 : x
  2. Step 2: Convert to fraction form
    124,301.80/186,452.70 = 118,858.60/x
  3. Step 3: Cross multiply
    124,301.80x = 186,452.70 × 118,858.60
  4. Step 4: Simplify right side
    124,301.80x = 22,161,506,888.22
  5. Step 5: Solve for x
    x = 22,161,506,888.22/124,301.80
  6. Step 6: Final answer
    x = 178,287.90

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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.