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Finding the Fourth Proportional to 98,583, 136,047.26 and 60,341.78

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Solution

The fourth proportional to 98,583, 136,047.26 and 60,341.78 is: 83,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,583 : 136,047.26 = 60,341.78 : x
  2. Step 2: Convert to fraction form
    98,583/136,047.26 = 60,341.78/x
  3. Step 3: Cross multiply
    98,583x = 136,047.26 × 60,341.78
  4. Step 4: Simplify right side
    98,583x = 8,209,333,832.52
  5. Step 5: Solve for x
    x = 8,209,333,832.52/98,583
  6. Step 6: Final answer
    x = 83,273.32

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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.