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Finding the Fourth Proportional to 169,063.64, 233,315.12 and 93,612.16

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Solution

The fourth proportional to 169,063.64, 233,315.12 and 93,612.16 is: 129,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,063.64 : 233,315.12 = 93,612.16 : x
  2. Step 2: Convert to fraction form
    169,063.64/233,315.12 = 93,612.16/x
  3. Step 3: Cross multiply
    169,063.64x = 233,315.12 × 93,612.16
  4. Step 4: Simplify right side
    169,063.64x = 21,841,132,343.86
  5. Step 5: Solve for x
    x = 21,841,132,343.86/169,063.64
  6. Step 6: Final answer
    x = 129,188.82

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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.