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Finding the Fourth Proportional to 267,573.66, 401,421.92 and 90,075.93

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Solution

The fourth proportional to 267,573.66, 401,421.92 and 90,075.93 is: 135,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,573.66 : 401,421.92 = 90,075.93 : x
  2. Step 2: Convert to fraction form
    267,573.66/401,421.92 = 90,075.93/x
  3. Step 3: Cross multiply
    267,573.66x = 401,421.92 × 90,075.93
  4. Step 4: Simplify right side
    267,573.66x = 36,158,452,316.01
  5. Step 5: Solve for x
    x = 36,158,452,316.01/267,573.66
  6. Step 6: Final answer
    x = 135,134.57

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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.