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Finding the Fourth Proportional to 88,096.70, 121,573.53 and 47,810.47

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Solution

The fourth proportional to 88,096.70, 121,573.53 and 47,810.47 is: 65,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,096.70 : 121,573.53 = 47,810.47 : x
  2. Step 2: Convert to fraction form
    88,096.70/121,573.53 = 47,810.47/x
  3. Step 3: Cross multiply
    88,096.70x = 121,573.53 × 47,810.47
  4. Step 4: Simplify right side
    88,096.70x = 5,812,487,608.86
  5. Step 5: Solve for x
    x = 5,812,487,608.86/88,096.70
  6. Step 6: Final answer
    x = 65,978.49

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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.