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Finding the Fourth Proportional to 163,341, 224,710.74 and 156,342.60

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Solution

The fourth proportional to 163,341, 224,710.74 and 156,342.60 is: 215,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,341 : 224,710.74 = 156,342.60 : x
  2. Step 2: Convert to fraction form
    163,341/224,710.74 = 156,342.60/x
  3. Step 3: Cross multiply
    163,341x = 224,710.74 × 156,342.60
  4. Step 4: Simplify right side
    163,341x = 35,131,861,339.52
  5. Step 5: Solve for x
    x = 35,131,861,339.52/163,341
  6. Step 6: Final answer
    x = 215,082.93

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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.