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Finding the Fourth Proportional to 163,357.52, 224,733.48 and 156,359.12

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Solution

The fourth proportional to 163,357.52, 224,733.48 and 156,359.12 is: 215,105.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,357.52 : 224,733.48 = 156,359.12 : x
  2. Step 2: Convert to fraction form
    163,357.52/224,733.48 = 156,359.12/x
  3. Step 3: Cross multiply
    163,357.52x = 224,733.48 × 156,359.12
  4. Step 4: Simplify right side
    163,357.52x = 35,139,129,167.34
  5. Step 5: Solve for x
    x = 35,139,129,167.34/163,357.52
  6. Step 6: Final answer
    x = 215,105.67

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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.