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Finding the Fourth Proportional to 317,363,158.70, 475,827,412.21 and 161,615,483.49

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Solution

The fourth proportional to 317,363,158.70, 475,827,412.21 and 161,615,483.49 is: 242,312,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,363,158.70 : 475,827,412.21 = 161,615,483.49 : x
  2. Step 2: Convert to fraction form
    317,363,158.70/475,827,412.21 = 161,615,483.49/x
  3. Step 3: Cross multiply
    317,363,158.70x = 475,827,412.21 × 161,615,483.49
  4. Step 4: Simplify right side
    317,363,158.70x = 76,901,077,281,710,640
  5. Step 5: Solve for x
    x = 76,901,077,281,710,640/317,363,158.70
  6. Step 6: Final answer
    x = 242,312,553.22

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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.