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Finding the Fourth Proportional to 161,574.67, 242,472.71 and 56,393.64

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Solution

The fourth proportional to 161,574.67, 242,472.71 and 56,393.64 is: 84,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,574.67 : 242,472.71 = 56,393.64 : x
  2. Step 2: Convert to fraction form
    161,574.67/242,472.71 = 56,393.64/x
  3. Step 3: Cross multiply
    161,574.67x = 242,472.71 × 56,393.64
  4. Step 4: Simplify right side
    161,574.67x = 13,673,918,717.56
  5. Step 5: Solve for x
    x = 13,673,918,717.56/161,574.67
  6. Step 6: Final answer
    x = 84,629.10

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1.5x scale

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.