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Finding the Fourth Proportional to 145,999.69, 201,484.37 and 84,741.14

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Solution

The fourth proportional to 145,999.69, 201,484.37 and 84,741.14 is: 116,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,999.69 : 201,484.37 = 84,741.14 : x
  2. Step 2: Convert to fraction form
    145,999.69/201,484.37 = 84,741.14/x
  3. Step 3: Cross multiply
    145,999.69x = 201,484.37 × 84,741.14
  4. Step 4: Simplify right side
    145,999.69x = 17,074,015,921.55
  5. Step 5: Solve for x
    x = 17,074,015,921.55/145,999.69
  6. Step 6: Final answer
    x = 116,945.56

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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.