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Finding the Fourth Proportional to 98,264.78, 147,360.90 and 35,068.01

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Solution

The fourth proportional to 98,264.78, 147,360.90 and 35,068.01 is: 52,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,264.78 : 147,360.90 = 35,068.01 : x
  2. Step 2: Convert to fraction form
    98,264.78/147,360.90 = 35,068.01/x
  3. Step 3: Cross multiply
    98,264.78x = 147,360.90 × 35,068.01
  4. Step 4: Simplify right side
    98,264.78x = 5,167,652,909.51
  5. Step 5: Solve for x
    x = 5,167,652,909.51/98,264.78
  6. Step 6: Final answer
    x = 52,589.07

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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.