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Finding the Fourth Proportional to 306,037.80, 459,056.70 and 95,675.40

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Solution

The fourth proportional to 306,037.80, 459,056.70 and 95,675.40 is: 143,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,037.80 : 459,056.70 = 95,675.40 : x
  2. Step 2: Convert to fraction form
    306,037.80/459,056.70 = 95,675.40/x
  3. Step 3: Cross multiply
    306,037.80x = 459,056.70 × 95,675.40
  4. Step 4: Simplify right side
    306,037.80x = 43,920,433,395.18
  5. Step 5: Solve for x
    x = 43,920,433,395.18/306,037.80
  6. Step 6: Final answer
    x = 143,513.10

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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.