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Finding the Fourth Proportional to 152,580.71, 210,640.70 and 118,512.92

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Solution

The fourth proportional to 152,580.71, 210,640.70 and 118,512.92 is: 163,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,580.71 : 210,640.70 = 118,512.92 : x
  2. Step 2: Convert to fraction form
    152,580.71/210,640.70 = 118,512.92/x
  3. Step 3: Cross multiply
    152,580.71x = 210,640.70 × 118,512.92
  4. Step 4: Simplify right side
    152,580.71x = 24,963,645,250.73
  5. Step 5: Solve for x
    x = 24,963,645,250.73/152,580.71
  6. Step 6: Final answer
    x = 163,609.44

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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.