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Finding the Fourth Proportional to 235,510.20, 352,746.90 and 165,007.80

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Solution

The fourth proportional to 235,510.20, 352,746.90 and 165,007.80 is: 247,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,510.20 : 352,746.90 = 165,007.80 : x
  2. Step 2: Convert to fraction form
    235,510.20/352,746.90 = 165,007.80/x
  3. Step 3: Cross multiply
    235,510.20x = 352,746.90 × 165,007.80
  4. Step 4: Simplify right side
    235,510.20x = 58,205,989,925.82
  5. Step 5: Solve for x
    x = 58,205,989,925.82/235,510.20
  6. Step 6: Final answer
    x = 247,148.49

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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.