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Finding the Fourth Proportional to 111,255.53, 153,530.03 and 60,953.45

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Solution

The fourth proportional to 111,255.53, 153,530.03 and 60,953.45 is: 84,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,255.53 : 153,530.03 = 60,953.45 : x
  2. Step 2: Convert to fraction form
    111,255.53/153,530.03 = 60,953.45/x
  3. Step 3: Cross multiply
    111,255.53x = 153,530.03 × 60,953.45
  4. Step 4: Simplify right side
    111,255.53x = 9,358,184,391.84
  5. Step 5: Solve for x
    x = 9,358,184,391.84/111,255.53
  6. Step 6: Final answer
    x = 84,114.33

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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.