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Finding the Fourth Proportional to 556,088.96, 834,135.04 and 135,364.16

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Solution

The fourth proportional to 556,088.96, 834,135.04 and 135,364.16 is: 203,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,088.96 : 834,135.04 = 135,364.16 : x
  2. Step 2: Convert to fraction form
    556,088.96/834,135.04 = 135,364.16/x
  3. Step 3: Cross multiply
    556,088.96x = 834,135.04 × 135,364.16
  4. Step 4: Simplify right side
    556,088.96x = 112,911,989,016.17
  5. Step 5: Solve for x
    x = 112,911,989,016.17/556,088.96
  6. Step 6: Final answer
    x = 203,046.63

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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.