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Finding the Fourth Proportional to 113,514.96, 156,666.24 and 68,802.96

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Solution

The fourth proportional to 113,514.96, 156,666.24 and 68,802.96 is: 94,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,514.96 : 156,666.24 = 68,802.96 : x
  2. Step 2: Convert to fraction form
    113,514.96/156,666.24 = 68,802.96/x
  3. Step 3: Cross multiply
    113,514.96x = 156,666.24 × 68,802.96
  4. Step 4: Simplify right side
    113,514.96x = 10,779,101,044.07
  5. Step 5: Solve for x
    x = 10,779,101,044.07/113,514.96
  6. Step 6: Final answer
    x = 94,957.54

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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.