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Finding the Fourth Proportional to 93,888.51, 129,569.13 and 51,449.64

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Solution

The fourth proportional to 93,888.51, 129,569.13 and 51,449.64 is: 71,002.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,888.51 : 129,569.13 = 51,449.64 : x
  2. Step 2: Convert to fraction form
    93,888.51/129,569.13 = 51,449.64/x
  3. Step 3: Cross multiply
    93,888.51x = 129,569.13 × 51,449.64
  4. Step 4: Simplify right side
    93,888.51x = 6,666,285,093.61
  5. Step 5: Solve for x
    x = 6,666,285,093.61/93,888.51
  6. Step 6: Final answer
    x = 71,002.14

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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.