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Finding the Fourth Proportional to 91,158.04, 136,737 and 46,760.08

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Solution

The fourth proportional to 91,158.04, 136,737 and 46,760.08 is: 70,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,158.04 : 136,737 = 46,760.08 : x
  2. Step 2: Convert to fraction form
    91,158.04/136,737 = 46,760.08/x
  3. Step 3: Cross multiply
    91,158.04x = 136,737 × 46,760.08
  4. Step 4: Simplify right side
    91,158.04x = 6,393,833,058.96
  5. Step 5: Solve for x
    x = 6,393,833,058.96/91,158.04
  6. Step 6: Final answer
    x = 70,140.09

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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.