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Finding the Fourth Proportional to 180,963.16, 271,444.74 and 56,279.32

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Solution

The fourth proportional to 180,963.16, 271,444.74 and 56,279.32 is: 84,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,963.16 : 271,444.74 = 56,279.32 : x
  2. Step 2: Convert to fraction form
    180,963.16/271,444.74 = 56,279.32/x
  3. Step 3: Cross multiply
    180,963.16x = 271,444.74 × 56,279.32
  4. Step 4: Simplify right side
    180,963.16x = 15,276,725,384.78
  5. Step 5: Solve for x
    x = 15,276,725,384.78/180,963.16
  6. Step 6: Final answer
    x = 84,418.98

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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.