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Finding the Fourth Proportional to 169,532.64, 233,421.60 and 143,984.16

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Solution

The fourth proportional to 169,532.64, 233,421.60 and 143,984.16 is: 198,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,532.64 : 233,421.60 = 143,984.16 : x
  2. Step 2: Convert to fraction form
    169,532.64/233,421.60 = 143,984.16/x
  3. Step 3: Cross multiply
    169,532.64x = 233,421.60 × 143,984.16
  4. Step 4: Simplify right side
    169,532.64x = 33,609,013,001.86
  5. Step 5: Solve for x
    x = 33,609,013,001.86/169,532.64
  6. Step 6: Final answer
    x = 198,245.09

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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.