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Finding the Fourth Proportional to 163,624.20, 245,436.30 and 156,712.20

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Solution

The fourth proportional to 163,624.20, 245,436.30 and 156,712.20 is: 235,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,624.20 : 245,436.30 = 156,712.20 : x
  2. Step 2: Convert to fraction form
    163,624.20/245,436.30 = 156,712.20/x
  3. Step 3: Cross multiply
    163,624.20x = 245,436.30 × 156,712.20
  4. Step 4: Simplify right side
    163,624.20x = 38,462,862,532.86
  5. Step 5: Solve for x
    x = 38,462,862,532.86/163,624.20
  6. Step 6: Final answer
    x = 235,068.30

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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.