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Finding the Fourth Proportional to 556,050.15, 834,075.31 and 135,326.03

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Solution

The fourth proportional to 556,050.15, 834,075.31 and 135,326.03 is: 202,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,050.15 : 834,075.31 = 135,326.03 : x
  2. Step 2: Convert to fraction form
    556,050.15/834,075.31 = 135,326.03/x
  3. Step 3: Cross multiply
    556,050.15x = 834,075.31 × 135,326.03
  4. Step 4: Simplify right side
    556,050.15x = 112,872,099,746.69
  5. Step 5: Solve for x
    x = 112,872,099,746.69/556,050.15
  6. Step 6: Final answer
    x = 202,989.06

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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.