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Finding the Fourth Proportional to 245,160.48, 338,348.84 and 148,417.60

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Solution

The fourth proportional to 245,160.48, 338,348.84 and 148,417.60 is: 204,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,160.48 : 338,348.84 = 148,417.60 : x
  2. Step 2: Convert to fraction form
    245,160.48/338,348.84 = 148,417.60/x
  3. Step 3: Cross multiply
    245,160.48x = 338,348.84 × 148,417.60
  4. Step 4: Simplify right side
    245,160.48x = 50,216,922,795.58
  5. Step 5: Solve for x
    x = 50,216,922,795.58/245,160.48
  6. Step 6: Final answer
    x = 204,832.86

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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.