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Finding the Fourth Proportional to 117,894.48, 176,841.60 and 97,074.24

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Solution

The fourth proportional to 117,894.48, 176,841.60 and 97,074.24 is: 145,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,894.48 : 176,841.60 = 97,074.24 : x
  2. Step 2: Convert to fraction form
    117,894.48/176,841.60 = 97,074.24/x
  3. Step 3: Cross multiply
    117,894.48x = 176,841.60 × 97,074.24
  4. Step 4: Simplify right side
    117,894.48x = 17,166,763,920.38
  5. Step 5: Solve for x
    x = 17,166,763,920.38/117,894.48
  6. Step 6: Final answer
    x = 145,611.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.