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Finding the Fourth Proportional to 93,656.88, 129,246.84 and 51,215.40

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Solution

The fourth proportional to 93,656.88, 129,246.84 and 51,215.40 is: 70,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,656.88 : 129,246.84 = 51,215.40 : x
  2. Step 2: Convert to fraction form
    93,656.88/129,246.84 = 51,215.40/x
  3. Step 3: Cross multiply
    93,656.88x = 129,246.84 × 51,215.40
  4. Step 4: Simplify right side
    93,656.88x = 6,619,428,609.34
  5. Step 5: Solve for x
    x = 6,619,428,609.34/93,656.88
  6. Step 6: Final answer
    x = 70,677.44

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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.