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Finding the Fourth Proportional to 93,482.55, 129,010.86 and 51,041.25

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Solution

The fourth proportional to 93,482.55, 129,010.86 and 51,041.25 is: 70,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,482.55 : 129,010.86 = 51,041.25 : x
  2. Step 2: Convert to fraction form
    93,482.55/129,010.86 = 51,041.25/x
  3. Step 3: Cross multiply
    93,482.55x = 129,010.86 × 51,041.25
  4. Step 4: Simplify right side
    93,482.55x = 6,584,875,557.98
  5. Step 5: Solve for x
    x = 6,584,875,557.98/93,482.55
  6. Step 6: Final answer
    x = 70,439.62

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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.