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Finding the Fourth Proportional to 93,951.18, 129,653.64 and 53,670.30

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Solution

The fourth proportional to 93,951.18, 129,653.64 and 53,670.30 is: 74,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,951.18 : 129,653.64 = 53,670.30 : x
  2. Step 2: Convert to fraction form
    93,951.18/129,653.64 = 53,670.30/x
  3. Step 3: Cross multiply
    93,951.18x = 129,653.64 × 53,670.30
  4. Step 4: Simplify right side
    93,951.18x = 6,958,549,754.89
  5. Step 5: Solve for x
    x = 6,958,549,754.89/93,951.18
  6. Step 6: Final answer
    x = 74,065.59

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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.