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Finding the Fourth Proportional to 93,838.72, 129,497.44 and 51,398.77

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Solution

The fourth proportional to 93,838.72, 129,497.44 and 51,398.77 is: 70,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,838.72 : 129,497.44 = 51,398.77 : x
  2. Step 2: Convert to fraction form
    93,838.72/129,497.44 = 51,398.77/x
  3. Step 3: Cross multiply
    93,838.72x = 129,497.44 × 51,398.77
  4. Step 4: Simplify right side
    93,838.72x = 6,656,009,134.15
  5. Step 5: Solve for x
    x = 6,656,009,134.15/93,838.72
  6. Step 6: Final answer
    x = 70,930.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.