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Finding the Fourth Proportional to 219,330.66, 302,677.32 and 118,728.66

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Solution

The fourth proportional to 219,330.66, 302,677.32 and 118,728.66 is: 163,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,330.66 : 302,677.32 = 118,728.66 : x
  2. Step 2: Convert to fraction form
    219,330.66/302,677.32 = 118,728.66/x
  3. Step 3: Cross multiply
    219,330.66x = 302,677.32 × 118,728.66
  4. Step 4: Simplify right side
    219,330.66x = 35,936,472,615.99
  5. Step 5: Solve for x
    x = 35,936,472,615.99/219,330.66
  6. Step 6: Final answer
    x = 163,846.10

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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.