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Finding the Fourth Proportional to 118,480.89, 163,503.45 and 70,762.17

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Solution

The fourth proportional to 118,480.89, 163,503.45 and 70,762.17 is: 97,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,480.89 : 163,503.45 = 70,762.17 : x
  2. Step 2: Convert to fraction form
    118,480.89/163,503.45 = 70,762.17/x
  3. Step 3: Cross multiply
    118,480.89x = 163,503.45 × 70,762.17
  4. Step 4: Simplify right side
    118,480.89x = 11,569,858,924.49
  5. Step 5: Solve for x
    x = 11,569,858,924.49/118,480.89
  6. Step 6: Final answer
    x = 97,651.69

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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.