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Finding the Fourth Proportional to 174,830.32, 241,264.74 and 99,378.82

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Solution

The fourth proportional to 174,830.32, 241,264.74 and 99,378.82 is: 137,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,830.32 : 241,264.74 = 99,378.82 : x
  2. Step 2: Convert to fraction form
    174,830.32/241,264.74 = 99,378.82/x
  3. Step 3: Cross multiply
    174,830.32x = 241,264.74 × 99,378.82
  4. Step 4: Simplify right side
    174,830.32x = 23,976,605,168.81
  5. Step 5: Solve for x
    x = 23,976,605,168.81/174,830.32
  6. Step 6: Final answer
    x = 137,142.15

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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.