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Finding the Fourth Proportional to 194,953.60, 292,203.60 and 89,783.20

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Solution

The fourth proportional to 194,953.60, 292,203.60 and 89,783.20 is: 134,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,953.60 : 292,203.60 = 89,783.20 : x
  2. Step 2: Convert to fraction form
    194,953.60/292,203.60 = 89,783.20/x
  3. Step 3: Cross multiply
    194,953.60x = 292,203.60 × 89,783.20
  4. Step 4: Simplify right side
    194,953.60x = 26,234,974,259.52
  5. Step 5: Solve for x
    x = 26,234,974,259.52/194,953.60
  6. Step 6: Final answer
    x = 134,570.35

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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.