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Finding the Fourth Proportional to 161,762,260, 242,643,390 and 54,056,884

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Solution

The fourth proportional to 161,762,260, 242,643,390 and 54,056,884 is: 81,085,326

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762,260 : 242,643,390 = 54,056,884 : x
  2. Step 2: Convert to fraction form
    161,762,260/242,643,390 = 54,056,884/x
  3. Step 3: Cross multiply
    161,762,260x = 242,643,390 × 54,056,884
  4. Step 4: Simplify right side
    161,762,260x = 13,116,545,586,596,760
  5. Step 5: Solve for x
    x = 13,116,545,586,596,760/161,762,260
  6. Step 6: Final answer
    x = 81,085,326

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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.