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Finding the Fourth Proportional to 194,553.60, 291,603.60 and 89,383.20

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Solution

The fourth proportional to 194,553.60, 291,603.60 and 89,383.20 is: 133,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,553.60 : 291,603.60 = 89,383.20 : x
  2. Step 2: Convert to fraction form
    194,553.60/291,603.60 = 89,383.20/x
  3. Step 3: Cross multiply
    194,553.60x = 291,603.60 × 89,383.20
  4. Step 4: Simplify right side
    194,553.60x = 26,064,462,899.52
  5. Step 5: Solve for x
    x = 26,064,462,899.52/194,553.60
  6. Step 6: Final answer
    x = 133,970.60

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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.