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Finding the Fourth Proportional to 238,953.77, 358,430.62 and 98,716.04

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Solution

The fourth proportional to 238,953.77, 358,430.62 and 98,716.04 is: 148,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,953.77 : 358,430.62 = 98,716.04 : x
  2. Step 2: Convert to fraction form
    238,953.77/358,430.62 = 98,716.04/x
  3. Step 3: Cross multiply
    238,953.77x = 358,430.62 × 98,716.04
  4. Step 4: Simplify right side
    238,953.77x = 35,382,851,421.14
  5. Step 5: Solve for x
    x = 35,382,851,421.14/238,953.77
  6. Step 6: Final answer
    x = 148,074.05

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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.