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Finding the Fourth Proportional to 245,030.94, 338,132.22 and 143,062.06

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Solution

The fourth proportional to 245,030.94, 338,132.22 and 143,062.06 is: 197,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,030.94 : 338,132.22 = 143,062.06 : x
  2. Step 2: Convert to fraction form
    245,030.94/338,132.22 = 143,062.06/x
  3. Step 3: Cross multiply
    245,030.94x = 338,132.22 × 143,062.06
  4. Step 4: Simplify right side
    245,030.94x = 48,373,891,945.57
  5. Step 5: Solve for x
    x = 48,373,891,945.57/245,030.94
  6. Step 6: Final answer
    x = 197,419.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.