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Finding the Fourth Proportional to 239,156.66, 358,779.13 and 98,926.22

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Solution

The fourth proportional to 239,156.66, 358,779.13 and 98,926.22 is: 148,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,156.66 : 358,779.13 = 98,926.22 : x
  2. Step 2: Convert to fraction form
    239,156.66/358,779.13 = 98,926.22/x
  3. Step 3: Cross multiply
    239,156.66x = 358,779.13 × 98,926.22
  4. Step 4: Simplify right side
    239,156.66x = 35,492,660,857.26
  5. Step 5: Solve for x
    x = 35,492,660,857.26/239,156.66
  6. Step 6: Final answer
    x = 148,407.58

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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.