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Finding the Fourth Proportional to 157,641.70, 236,462.55 and 98,544.10

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Solution

The fourth proportional to 157,641.70, 236,462.55 and 98,544.10 is: 147,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,641.70 : 236,462.55 = 98,544.10 : x
  2. Step 2: Convert to fraction form
    157,641.70/236,462.55 = 98,544.10/x
  3. Step 3: Cross multiply
    157,641.70x = 236,462.55 × 98,544.10
  4. Step 4: Simplify right side
    157,641.70x = 23,301,989,173.46
  5. Step 5: Solve for x
    x = 23,301,989,173.46/157,641.70
  6. Step 6: Final answer
    x = 147,816.15

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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.