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Finding the Fourth Proportional to 93,702.74, 129,308.70 and 51,260.76

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Solution

The fourth proportional to 93,702.74, 129,308.70 and 51,260.76 is: 70,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,702.74 : 129,308.70 = 51,260.76 : x
  2. Step 2: Convert to fraction form
    93,702.74/129,308.70 = 51,260.76/x
  3. Step 3: Cross multiply
    93,702.74x = 129,308.70 × 51,260.76
  4. Step 4: Simplify right side
    93,702.74x = 6,628,462,236.61
  5. Step 5: Solve for x
    x = 6,628,462,236.61/93,702.74
  6. Step 6: Final answer
    x = 70,739.26

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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.