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Finding the Fourth Proportional to 194,969.78, 292,230.50 and 89,567.32

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Solution

The fourth proportional to 194,969.78, 292,230.50 and 89,567.32 is: 134,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,969.78 : 292,230.50 = 89,567.32 : x
  2. Step 2: Convert to fraction form
    194,969.78/292,230.50 = 89,567.32/x
  3. Step 3: Cross multiply
    194,969.78x = 292,230.50 × 89,567.32
  4. Step 4: Simplify right side
    194,969.78x = 26,174,302,707.26
  5. Step 5: Solve for x
    x = 26,174,302,707.26/194,969.78
  6. Step 6: Final answer
    x = 134,248.00

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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.