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Finding the Fourth Proportional to 118,153.50, 163,045.32 and 67,159.14

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Solution

The fourth proportional to 118,153.50, 163,045.32 and 67,159.14 is: 92,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,153.50 : 163,045.32 = 67,159.14 : x
  2. Step 2: Convert to fraction form
    118,153.50/163,045.32 = 67,159.14/x
  3. Step 3: Cross multiply
    118,153.50x = 163,045.32 × 67,159.14
  4. Step 4: Simplify right side
    118,153.50x = 10,949,983,472.22
  5. Step 5: Solve for x
    x = 10,949,983,472.22/118,153.50
  6. Step 6: Final answer
    x = 92,675.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.