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Finding the Fourth Proportional to 163,602.90, 245,404.35 and 157,479.30

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Solution

The fourth proportional to 163,602.90, 245,404.35 and 157,479.30 is: 236,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,602.90 : 245,404.35 = 157,479.30 : x
  2. Step 2: Convert to fraction form
    163,602.90/245,404.35 = 157,479.30/x
  3. Step 3: Cross multiply
    163,602.90x = 245,404.35 × 157,479.30
  4. Step 4: Simplify right side
    163,602.90x = 38,646,105,254.96
  5. Step 5: Solve for x
    x = 38,646,105,254.96/163,602.90
  6. Step 6: Final answer
    x = 236,218.95

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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.