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Finding the Fourth Proportional to 124,028.25, 186,071.55 and 40,922.25

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Solution

The fourth proportional to 124,028.25, 186,071.55 and 40,922.25 is: 61,393.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,028.25 : 186,071.55 = 40,922.25 : x
  2. Step 2: Convert to fraction form
    124,028.25/186,071.55 = 40,922.25/x
  3. Step 3: Cross multiply
    124,028.25x = 186,071.55 × 40,922.25
  4. Step 4: Simplify right side
    124,028.25x = 7,614,466,486.99
  5. Step 5: Solve for x
    x = 7,614,466,486.99/124,028.25
  6. Step 6: Final answer
    x = 61,393.00

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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.