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Finding the Fourth Proportional to 145,656.29, 218,510.06 and 60,266.90

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Solution

The fourth proportional to 145,656.29, 218,510.06 and 60,266.90 is: 90,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,656.29 : 218,510.06 = 60,266.90 : x
  2. Step 2: Convert to fraction form
    145,656.29/218,510.06 = 60,266.90/x
  3. Step 3: Cross multiply
    145,656.29x = 218,510.06 × 60,266.90
  4. Step 4: Simplify right side
    145,656.29x = 13,168,923,935.01
  5. Step 5: Solve for x
    x = 13,168,923,935.01/145,656.29
  6. Step 6: Final answer
    x = 90,410.95

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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.