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Finding the Fourth Proportional to 356,675.90, 535,038.15 and 113,497.70

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Solution

The fourth proportional to 356,675.90, 535,038.15 and 113,497.70 is: 170,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,675.90 : 535,038.15 = 113,497.70 : x
  2. Step 2: Convert to fraction form
    356,675.90/535,038.15 = 113,497.70/x
  3. Step 3: Cross multiply
    356,675.90x = 535,038.15 × 113,497.70
  4. Step 4: Simplify right side
    356,675.90x = 60,725,599,437.26
  5. Step 5: Solve for x
    x = 60,725,599,437.26/356,675.90
  6. Step 6: Final answer
    x = 170,254.28

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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.