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Finding the Fourth Proportional to 118,532.57, 163,566.54 and 67,543.67

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Solution

The fourth proportional to 118,532.57, 163,566.54 and 67,543.67 is: 93,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,532.57 : 163,566.54 = 67,543.67 : x
  2. Step 2: Convert to fraction form
    118,532.57/163,566.54 = 67,543.67/x
  3. Step 3: Cross multiply
    118,532.57x = 163,566.54 × 67,543.67
  4. Step 4: Simplify right side
    118,532.57x = 11,047,884,809.72
  5. Step 5: Solve for x
    x = 11,047,884,809.72/118,532.57
  6. Step 6: Final answer
    x = 93,205.48

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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.