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Finding the Fourth Proportional to 124,795.80, 187,193.70 and 123,483.60

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Solution

The fourth proportional to 124,795.80, 187,193.70 and 123,483.60 is: 185,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,795.80 : 187,193.70 = 123,483.60 : x
  2. Step 2: Convert to fraction form
    124,795.80/187,193.70 = 123,483.60/x
  3. Step 3: Cross multiply
    124,795.80x = 187,193.70 × 123,483.60
  4. Step 4: Simplify right side
    124,795.80x = 23,115,351,973.32
  5. Step 5: Solve for x
    x = 23,115,351,973.32/124,795.80
  6. Step 6: Final answer
    x = 185,225.40

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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.