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Finding the Fourth Proportional to 168,688.16, 232,789.88 and 97,066.76

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Solution

The fourth proportional to 168,688.16, 232,789.88 and 97,066.76 is: 133,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,688.16 : 232,789.88 = 97,066.76 : x
  2. Step 2: Convert to fraction form
    168,688.16/232,789.88 = 97,066.76/x
  3. Step 3: Cross multiply
    168,688.16x = 232,789.88 × 97,066.76
  4. Step 4: Simplify right side
    168,688.16x = 22,596,159,412.39
  5. Step 5: Solve for x
    x = 22,596,159,412.39/168,688.16
  6. Step 6: Final answer
    x = 133,952.25

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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.