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Finding the Fourth Proportional to 78,598.16, 117,927.48 and 37,015.76

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Solution

The fourth proportional to 78,598.16, 117,927.48 and 37,015.76 is: 55,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,598.16 : 117,927.48 = 37,015.76 : x
  2. Step 2: Convert to fraction form
    78,598.16/117,927.48 = 37,015.76/x
  3. Step 3: Cross multiply
    78,598.16x = 117,927.48 × 37,015.76
  4. Step 4: Simplify right side
    78,598.16x = 4,365,175,297.08
  5. Step 5: Solve for x
    x = 4,365,175,297.08/78,598.16
  6. Step 6: Final answer
    x = 55,537.88

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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.