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Finding the Fourth Proportional to 259,503.60, 358,117.56 and 152,137.20

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Solution

The fourth proportional to 259,503.60, 358,117.56 and 152,137.20 is: 209,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,503.60 : 358,117.56 = 152,137.20 : x
  2. Step 2: Convert to fraction form
    259,503.60/358,117.56 = 152,137.20/x
  3. Step 3: Cross multiply
    259,503.60x = 358,117.56 × 152,137.20
  4. Step 4: Simplify right side
    259,503.60x = 54,483,002,849.23
  5. Step 5: Solve for x
    x = 54,483,002,849.23/259,503.60
  6. Step 6: Final answer
    x = 209,950.86

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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.