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Finding the Fourth Proportional to 169,854.16, 254,783.76 and 64,678.96

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Solution

The fourth proportional to 169,854.16, 254,783.76 and 64,678.96 is: 97,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,854.16 : 254,783.76 = 64,678.96 : x
  2. Step 2: Convert to fraction form
    169,854.16/254,783.76 = 64,678.96/x
  3. Step 3: Cross multiply
    169,854.16x = 254,783.76 × 64,678.96
  4. Step 4: Simplify right side
    169,854.16x = 16,479,148,621.69
  5. Step 5: Solve for x
    x = 16,479,148,621.69/169,854.16
  6. Step 6: Final answer
    x = 97,019.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.