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Finding the Fourth Proportional to 219,250.30, 302,566.35 and 118,648.30

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Solution

The fourth proportional to 219,250.30, 302,566.35 and 118,648.30 is: 163,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,250.30 : 302,566.35 = 118,648.30 : x
  2. Step 2: Convert to fraction form
    219,250.30/302,566.35 = 118,648.30/x
  3. Step 3: Cross multiply
    219,250.30x = 302,566.35 × 118,648.30
  4. Step 4: Simplify right side
    219,250.30x = 35,898,983,064.71
  5. Step 5: Solve for x
    x = 35,898,983,064.71/219,250.30
  6. Step 6: Final answer
    x = 163,735.16

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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.