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Finding the Fourth Proportional to 77,014.94, 115,259.57 and 64,549.04

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Solution

The fourth proportional to 77,014.94, 115,259.57 and 64,549.04 is: 96,603.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,014.94 : 115,259.57 = 64,549.04 : x
  2. Step 2: Convert to fraction form
    77,014.94/115,259.57 = 64,549.04/x
  3. Step 3: Cross multiply
    77,014.94x = 115,259.57 × 64,549.04
  4. Step 4: Simplify right side
    77,014.94x = 7,439,894,559.72
  5. Step 5: Solve for x
    x = 7,439,894,559.72/77,014.94
  6. Step 6: Final answer
    x = 96,603.26

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1.5x scale

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.