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Finding the Fourth Proportional to 173,698.19, 260,366.63 and 67,155.32

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Solution

The fourth proportional to 173,698.19, 260,366.63 and 67,155.32 is: 100,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,698.19 : 260,366.63 = 67,155.32 : x
  2. Step 2: Convert to fraction form
    173,698.19/260,366.63 = 67,155.32/x
  3. Step 3: Cross multiply
    173,698.19x = 260,366.63 × 67,155.32
  4. Step 4: Simplify right side
    173,698.19x = 17,485,003,053.14
  5. Step 5: Solve for x
    x = 17,485,003,053.14/173,698.19
  6. Step 6: Final answer
    x = 100,663.13

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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.