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Finding the Fourth Proportional to 190,332.54, 285,505.80 and 63,977.10

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Solution

The fourth proportional to 190,332.54, 285,505.80 and 63,977.10 is: 95,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,332.54 : 285,505.80 = 63,977.10 : x
  2. Step 2: Convert to fraction form
    190,332.54/285,505.80 = 63,977.10/x
  3. Step 3: Cross multiply
    190,332.54x = 285,505.80 × 63,977.10
  4. Step 4: Simplify right side
    190,332.54x = 18,265,833,117.18
  5. Step 5: Solve for x
    x = 18,265,833,117.18/190,332.54
  6. Step 6: Final answer
    x = 95,968.00

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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.