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Finding the Fourth Proportional to 201,347.30, 302,215.35 and 122,615.30

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Solution

The fourth proportional to 201,347.30, 302,215.35 and 122,615.30 is: 184,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,347.30 : 302,215.35 = 122,615.30 : x
  2. Step 2: Convert to fraction form
    201,347.30/302,215.35 = 122,615.30/x
  3. Step 3: Cross multiply
    201,347.30x = 302,215.35 × 122,615.30
  4. Step 4: Simplify right side
    201,347.30x = 37,056,225,804.86
  5. Step 5: Solve for x
    x = 37,056,225,804.86/201,347.30
  6. Step 6: Final answer
    x = 184,041.33

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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.