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Finding the Fourth Proportional to 121,663.07, 182,512.07 and 37,430.31

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Solution

The fourth proportional to 121,663.07, 182,512.07 and 37,430.31 is: 56,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,663.07 : 182,512.07 = 37,430.31 : x
  2. Step 2: Convert to fraction form
    121,663.07/182,512.07 = 37,430.31/x
  3. Step 3: Cross multiply
    121,663.07x = 182,512.07 × 37,430.31
  4. Step 4: Simplify right side
    121,663.07x = 6,831,482,969.84
  5. Step 5: Solve for x
    x = 6,831,482,969.84/121,663.07
  6. Step 6: Final answer
    x = 56,150.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.