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Finding the Fourth Proportional to 181,073.79, 271,639.85 and 56,385.63

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Solution

The fourth proportional to 181,073.79, 271,639.85 and 56,385.63 is: 84,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,073.79 : 271,639.85 = 56,385.63 : x
  2. Step 2: Convert to fraction form
    181,073.79/271,639.85 = 56,385.63/x
  3. Step 3: Cross multiply
    181,073.79x = 271,639.85 × 56,385.63
  4. Step 4: Simplify right side
    181,073.79x = 15,316,584,075.36
  5. Step 5: Solve for x
    x = 15,316,584,075.36/181,073.79
  6. Step 6: Final answer
    x = 84,587.53

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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.