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Finding the Fourth Proportional to 88,885.83, 122,664.36 and 53,069.16

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Solution

The fourth proportional to 88,885.83, 122,664.36 and 53,069.16 is: 73,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,885.83 : 122,664.36 = 53,069.16 : x
  2. Step 2: Convert to fraction form
    88,885.83/122,664.36 = 53,069.16/x
  3. Step 3: Cross multiply
    88,885.83x = 122,664.36 × 53,069.16
  4. Step 4: Simplify right side
    88,885.83x = 6,509,694,547.14
  5. Step 5: Solve for x
    x = 6,509,694,547.14/88,885.83
  6. Step 6: Final answer
    x = 73,236.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.