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Finding the Fourth Proportional to 149,880.66, 224,931.86 and 70,995.06

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Solution

The fourth proportional to 149,880.66, 224,931.86 and 70,995.06 is: 106,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,880.66 : 224,931.86 = 70,995.06 : x
  2. Step 2: Convert to fraction form
    149,880.66/224,931.86 = 70,995.06/x
  3. Step 3: Cross multiply
    149,880.66x = 224,931.86 × 70,995.06
  4. Step 4: Simplify right side
    149,880.66x = 15,969,050,541.64
  5. Step 5: Solve for x
    x = 15,969,050,541.64/149,880.66
  6. Step 6: Final answer
    x = 106,545.10

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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.