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Finding the Fourth Proportional to 152,295.68, 210,193 and 104,509.76

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Solution

The fourth proportional to 152,295.68, 210,193 and 104,509.76 is: 144,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,295.68 : 210,193 = 104,509.76 : x
  2. Step 2: Convert to fraction form
    152,295.68/210,193 = 104,509.76/x
  3. Step 3: Cross multiply
    152,295.68x = 210,193 × 104,509.76
  4. Step 4: Simplify right side
    152,295.68x = 21,967,219,983.68
  5. Step 5: Solve for x
    x = 21,967,219,983.68/152,295.68
  6. Step 6: Final answer
    x = 144,240.60

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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.