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Finding the Fourth Proportional to 219,293.04, 302,623.88 and 118,691.12

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Solution

The fourth proportional to 219,293.04, 302,623.88 and 118,691.12 is: 163,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,293.04 : 302,623.88 = 118,691.12 : x
  2. Step 2: Convert to fraction form
    219,293.04/302,623.88 = 118,691.12/x
  3. Step 3: Cross multiply
    219,293.04x = 302,623.88 × 118,691.12
  4. Step 4: Simplify right side
    219,293.04x = 35,918,767,255.95
  5. Step 5: Solve for x
    x = 35,918,767,255.95/219,293.04
  6. Step 6: Final answer
    x = 163,793.47

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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.