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Finding the Fourth Proportional to 134,807.10, 202,210.65 and 64,650.30

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Solution

The fourth proportional to 134,807.10, 202,210.65 and 64,650.30 is: 96,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,807.10 : 202,210.65 = 64,650.30 : x
  2. Step 2: Convert to fraction form
    134,807.10/202,210.65 = 64,650.30/x
  3. Step 3: Cross multiply
    134,807.10x = 202,210.65 × 64,650.30
  4. Step 4: Simplify right side
    134,807.10x = 13,072,979,185.70
  5. Step 5: Solve for x
    x = 13,072,979,185.70/134,807.10
  6. Step 6: Final answer
    x = 96,975.45

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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.