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Finding the Fourth Proportional to 73,017.65, 108,998.29 and 64,160.30

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Solution

The fourth proportional to 73,017.65, 108,998.29 and 64,160.30 is: 95,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,017.65 : 108,998.29 = 64,160.30 : x
  2. Step 2: Convert to fraction form
    73,017.65/108,998.29 = 64,160.30/x
  3. Step 3: Cross multiply
    73,017.65x = 108,998.29 × 64,160.30
  4. Step 4: Simplify right side
    73,017.65x = 6,993,362,985.89
  5. Step 5: Solve for x
    x = 6,993,362,985.89/73,017.65
  6. Step 6: Final answer
    x = 95,776.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.