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Finding the Fourth Proportional to 212,243.60, 292,894.53 and 116,748.20

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Solution

The fourth proportional to 212,243.60, 292,894.53 and 116,748.20 is: 161,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,243.60 : 292,894.53 = 116,748.20 : x
  2. Step 2: Convert to fraction form
    212,243.60/292,894.53 = 116,748.20/x
  3. Step 3: Cross multiply
    212,243.60x = 292,894.53 × 116,748.20
  4. Step 4: Simplify right side
    212,243.60x = 34,194,909,167.35
  5. Step 5: Solve for x
    x = 34,194,909,167.35/212,243.60
  6. Step 6: Final answer
    x = 161,111.61

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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.