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Finding the Fourth Proportional to 77,309.48, 116,490.74 and 63,577.10

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Solution

The fourth proportional to 77,309.48, 116,490.74 and 63,577.10 is: 95,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309.48 : 116,490.74 = 63,577.10 : x
  2. Step 2: Convert to fraction form
    77,309.48/116,490.74 = 63,577.10/x
  3. Step 3: Cross multiply
    77,309.48x = 116,490.74 × 63,577.10
  4. Step 4: Simplify right side
    77,309.48x = 7,406,143,426.05
  5. Step 5: Solve for x
    x = 7,406,143,426.05/77,309.48
  6. Step 6: Final answer
    x = 95,798.64

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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.