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Finding the Fourth Proportional to 152,449.61, 210,415.46 and 101,464.52

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Solution

The fourth proportional to 152,449.61, 210,415.46 and 101,464.52 is: 140,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,449.61 : 210,415.46 = 101,464.52 : x
  2. Step 2: Convert to fraction form
    152,449.61/210,415.46 = 101,464.52/x
  3. Step 3: Cross multiply
    152,449.61x = 210,415.46 × 101,464.52
  4. Step 4: Simplify right side
    152,449.61x = 21,349,702,090.08
  5. Step 5: Solve for x
    x = 21,349,702,090.08/152,449.61
  6. Step 6: Final answer
    x = 140,044.33

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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.