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Finding the Fourth Proportional to 93,998.88, 129,719.52 and 51,562.08

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Solution

The fourth proportional to 93,998.88, 129,719.52 and 51,562.08 is: 71,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,998.88 : 129,719.52 = 51,562.08 : x
  2. Step 2: Convert to fraction form
    93,998.88/129,719.52 = 51,562.08/x
  3. Step 3: Cross multiply
    93,998.88x = 129,719.52 × 51,562.08
  4. Step 4: Simplify right side
    93,998.88x = 6,688,608,267.80
  5. Step 5: Solve for x
    x = 6,688,608,267.80/93,998.88
  6. Step 6: Final answer
    x = 71,156.25

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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.