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Finding the Fourth Proportional to 93,592.78, 129,184.55 and 55,365.63

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Solution

The fourth proportional to 93,592.78, 129,184.55 and 55,365.63 is: 76,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,592.78 : 129,184.55 = 55,365.63 : x
  2. Step 2: Convert to fraction form
    93,592.78/129,184.55 = 55,365.63/x
  3. Step 3: Cross multiply
    93,592.78x = 129,184.55 × 55,365.63
  4. Step 4: Simplify right side
    93,592.78x = 7,152,383,754.80
  5. Step 5: Solve for x
    x = 7,152,383,754.80/93,592.78
  6. Step 6: Final answer
    x = 76,420.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.