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Finding the Fourth Proportional to 251,088.90, 376,636.41 and 73,599.50

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Solution

The fourth proportional to 251,088.90, 376,636.41 and 73,599.50 is: 110,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,088.90 : 376,636.41 = 73,599.50 : x
  2. Step 2: Convert to fraction form
    251,088.90/376,636.41 = 73,599.50/x
  3. Step 3: Cross multiply
    251,088.90x = 376,636.41 × 73,599.50
  4. Step 4: Simplify right side
    251,088.90x = 27,720,249,574.61
  5. Step 5: Solve for x
    x = 27,720,249,574.61/251,088.90
  6. Step 6: Final answer
    x = 110,400.14

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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.