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Finding the Fourth Proportional to 110,055.84, 151,874.48 and 64,724.96

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Solution

The fourth proportional to 110,055.84, 151,874.48 and 64,724.96 is: 89,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,055.84 : 151,874.48 = 64,724.96 : x
  2. Step 2: Convert to fraction form
    110,055.84/151,874.48 = 64,724.96/x
  3. Step 3: Cross multiply
    110,055.84x = 151,874.48 × 64,724.96
  4. Step 4: Simplify right side
    110,055.84x = 9,830,069,643.02
  5. Step 5: Solve for x
    x = 9,830,069,643.02/110,055.84
  6. Step 6: Final answer
    x = 89,318.93

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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.