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Finding the Fourth Proportional to 100,364.84, 150,547.32 and 25,490.60

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Solution

The fourth proportional to 100,364.84, 150,547.32 and 25,490.60 is: 38,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,364.84 : 150,547.32 = 25,490.60 : x
  2. Step 2: Convert to fraction form
    100,364.84/150,547.32 = 25,490.60/x
  3. Step 3: Cross multiply
    100,364.84x = 150,547.32 × 25,490.60
  4. Step 4: Simplify right side
    100,364.84x = 3,837,540,762.46
  5. Step 5: Solve for x
    x = 3,837,540,762.46/100,364.84
  6. Step 6: Final answer
    x = 38,235.91

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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.