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Finding the Fourth Proportional to 157,636.70, 236,476.65 and 52,444.70

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Solution

The fourth proportional to 157,636.70, 236,476.65 and 52,444.70 is: 78,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,636.70 : 236,476.65 = 52,444.70 : x
  2. Step 2: Convert to fraction form
    157,636.70/236,476.65 = 52,444.70/x
  3. Step 3: Cross multiply
    157,636.70x = 236,476.65 × 52,444.70
  4. Step 4: Simplify right side
    157,636.70x = 12,401,946,966.26
  5. Step 5: Solve for x
    x = 12,401,946,966.26/157,636.70
  6. Step 6: Final answer
    x = 78,674.24

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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.