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Finding the Fourth Proportional to 93,937.95, 140,921.52 and 31,603.59

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Solution

The fourth proportional to 93,937.95, 140,921.52 and 31,603.59 is: 47,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,937.95 : 140,921.52 = 31,603.59 : x
  2. Step 2: Convert to fraction form
    93,937.95/140,921.52 = 31,603.59/x
  3. Step 3: Cross multiply
    93,937.95x = 140,921.52 × 31,603.59
  4. Step 4: Simplify right side
    93,937.95x = 4,453,625,940.26
  5. Step 5: Solve for x
    x = 4,453,625,940.26/93,937.95
  6. Step 6: Final answer
    x = 47,410.30

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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.