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Finding the Fourth Proportional to 157,648.80, 236,473.20 and 98,599.80

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Solution

The fourth proportional to 157,648.80, 236,473.20 and 98,599.80 is: 147,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,648.80 : 236,473.20 = 98,599.80 : x
  2. Step 2: Convert to fraction form
    157,648.80/236,473.20 = 98,599.80/x
  3. Step 3: Cross multiply
    157,648.80x = 236,473.20 × 98,599.80
  4. Step 4: Simplify right side
    157,648.80x = 23,316,210,225.36
  5. Step 5: Solve for x
    x = 23,316,210,225.36/157,648.80
  6. Step 6: Final answer
    x = 147,899.70

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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.