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Finding the Fourth Proportional to 194,605.60, 291,681.60 and 89,435.20

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Solution

The fourth proportional to 194,605.60, 291,681.60 and 89,435.20 is: 134,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,605.60 : 291,681.60 = 89,435.20 : x
  2. Step 2: Convert to fraction form
    194,605.60/291,681.60 = 89,435.20/x
  3. Step 3: Cross multiply
    194,605.60x = 291,681.60 × 89,435.20
  4. Step 4: Simplify right side
    194,605.60x = 26,086,602,232.32
  5. Step 5: Solve for x
    x = 26,086,602,232.32/194,605.60
  6. Step 6: Final answer
    x = 134,048.57

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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.