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Finding the Fourth Proportional to 134,957.50, 202,298.01 and 56,117.50

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Solution

The fourth proportional to 134,957.50, 202,298.01 and 56,117.50 is: 84,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,957.50 : 202,298.01 = 56,117.50 : x
  2. Step 2: Convert to fraction form
    134,957.50/202,298.01 = 56,117.50/x
  3. Step 3: Cross multiply
    134,957.50x = 202,298.01 × 56,117.50
  4. Step 4: Simplify right side
    134,957.50x = 11,352,458,576.18
  5. Step 5: Solve for x
    x = 11,352,458,576.18/134,957.50
  6. Step 6: Final answer
    x = 84,118.77

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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.