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Finding the Fourth Proportional to 77,523.84, 116,269.72 and 35,392.16

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Solution

The fourth proportional to 77,523.84, 116,269.72 and 35,392.16 is: 53,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523.84 : 116,269.72 = 35,392.16 : x
  2. Step 2: Convert to fraction form
    77,523.84/116,269.72 = 35,392.16/x
  3. Step 3: Cross multiply
    77,523.84x = 116,269.72 × 35,392.16
  4. Step 4: Simplify right side
    77,523.84x = 4,115,036,533.40
  5. Step 5: Solve for x
    x = 4,115,036,533.40/77,523.84
  6. Step 6: Final answer
    x = 53,080.92

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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.