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Finding the Fourth Proportional to 358,031.39, 537,006.93 and 91,798.16

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Solution

The fourth proportional to 358,031.39, 537,006.93 and 91,798.16 is: 137,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,031.39 : 537,006.93 = 91,798.16 : x
  2. Step 2: Convert to fraction form
    358,031.39/537,006.93 = 91,798.16/x
  3. Step 3: Cross multiply
    358,031.39x = 537,006.93 × 91,798.16
  4. Step 4: Simplify right side
    358,031.39x = 49,296,245,396.21
  5. Step 5: Solve for x
    x = 49,296,245,396.21/358,031.39
  6. Step 6: Final answer
    x = 137,686.94

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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.