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Finding the Fourth Proportional to 153,485.17, 230,217.06 and 57,404.08

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Solution

The fourth proportional to 153,485.17, 230,217.06 and 57,404.08 is: 86,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,485.17 : 230,217.06 = 57,404.08 : x
  2. Step 2: Convert to fraction form
    153,485.17/230,217.06 = 57,404.08/x
  3. Step 3: Cross multiply
    153,485.17x = 230,217.06 × 57,404.08
  4. Step 4: Simplify right side
    153,485.17x = 13,215,398,529.60
  5. Step 5: Solve for x
    x = 13,215,398,529.60/153,485.17
  6. Step 6: Final answer
    x = 86,102.12

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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.