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Finding the Fourth Proportional to 537,206.30, 805,721.81 and 158,038.32

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Solution

The fourth proportional to 537,206.30, 805,721.81 and 158,038.32 is: 237,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,206.30 : 805,721.81 = 158,038.32 : x
  2. Step 2: Convert to fraction form
    537,206.30/805,721.81 = 158,038.32/x
  3. Step 3: Cross multiply
    537,206.30x = 805,721.81 × 158,038.32
  4. Step 4: Simplify right side
    537,206.30x = 127,334,920,449.57
  5. Step 5: Solve for x
    x = 127,334,920,449.57/537,206.30
  6. Step 6: Final answer
    x = 237,031.70

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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.