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Finding the Fourth Proportional to 152,606.90, 210,571.86 and 101,695.64

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Solution

The fourth proportional to 152,606.90, 210,571.86 and 101,695.64 is: 140,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,606.90 : 210,571.86 = 101,695.64 : x
  2. Step 2: Convert to fraction form
    152,606.90/210,571.86 = 101,695.64/x
  3. Step 3: Cross multiply
    152,606.90x = 210,571.86 × 101,695.64
  4. Step 4: Simplify right side
    152,606.90x = 21,414,240,068.69
  5. Step 5: Solve for x
    x = 21,414,240,068.69/152,606.90
  6. Step 6: Final answer
    x = 140,322.88

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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.