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Finding the Fourth Proportional to 163,626.70, 245,440.05 and 156,714.70

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Solution

The fourth proportional to 163,626.70, 245,440.05 and 156,714.70 is: 235,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,626.70 : 245,440.05 = 156,714.70 : x
  2. Step 2: Convert to fraction form
    163,626.70/245,440.05 = 156,714.70/x
  3. Step 3: Cross multiply
    163,626.70x = 245,440.05 × 156,714.70
  4. Step 4: Simplify right side
    163,626.70x = 38,464,063,803.74
  5. Step 5: Solve for x
    x = 38,464,063,803.74/163,626.70
  6. Step 6: Final answer
    x = 235,072.05

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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.