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Finding the Fourth Proportional to 212,561.96, 293,337.60 and 117,071.60

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Solution

The fourth proportional to 212,561.96, 293,337.60 and 117,071.60 is: 161,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,561.96 : 293,337.60 = 117,071.60 : x
  2. Step 2: Convert to fraction form
    212,561.96/293,337.60 = 117,071.60/x
  3. Step 3: Cross multiply
    212,561.96x = 293,337.60 × 117,071.60
  4. Step 4: Simplify right side
    212,561.96x = 34,341,502,172.16
  5. Step 5: Solve for x
    x = 34,341,502,172.16/212,561.96
  6. Step 6: Final answer
    x = 161,559.96

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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.