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Finding the Fourth Proportional to 133,009.50, 183,526.22 and 84,630.63

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Solution

The fourth proportional to 133,009.50, 183,526.22 and 84,630.63 is: 116,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,009.50 : 183,526.22 = 84,630.63 : x
  2. Step 2: Convert to fraction form
    133,009.50/183,526.22 = 84,630.63/x
  3. Step 3: Cross multiply
    133,009.50x = 183,526.22 × 84,630.63
  4. Step 4: Simplify right side
    133,009.50x = 15,531,939,196.97
  5. Step 5: Solve for x
    x = 15,531,939,196.97/133,009.50
  6. Step 6: Final answer
    x = 116,773.16

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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.