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Finding the Fourth Proportional to 93,702.93, 129,310.35 and 51,261.78

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Solution

The fourth proportional to 93,702.93, 129,310.35 and 51,261.78 is: 70,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,702.93 : 129,310.35 = 51,261.78 : x
  2. Step 2: Convert to fraction form
    93,702.93/129,310.35 = 51,261.78/x
  3. Step 3: Cross multiply
    93,702.93x = 129,310.35 × 51,261.78
  4. Step 4: Simplify right side
    93,702.93x = 6,628,678,713.42
  5. Step 5: Solve for x
    x = 6,628,678,713.42/93,702.93
  6. Step 6: Final answer
    x = 70,741.42

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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.