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Finding the Fourth Proportional to 77,299.31, 116,475.49 and 63,566.93

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Solution

The fourth proportional to 77,299.31, 116,475.49 and 63,566.93 is: 95,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.31 : 116,475.49 = 63,566.93 : x
  2. Step 2: Convert to fraction form
    77,299.31/116,475.49 = 63,566.93/x
  3. Step 3: Cross multiply
    77,299.31x = 116,475.49 × 63,566.93
  4. Step 4: Simplify right side
    77,299.31x = 7,403,989,319.55
  5. Step 5: Solve for x
    x = 7,403,989,319.55/77,299.31
  6. Step 6: Final answer
    x = 95,783.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.