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Finding the Fourth Proportional to 177,657,957.60, 266,486,936.40 and 56,501,656.80

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Solution

The fourth proportional to 177,657,957.60, 266,486,936.40 and 56,501,656.80 is: 84,752,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,657,957.60 : 266,486,936.40 = 56,501,656.80 : x
  2. Step 2: Convert to fraction form
    177,657,957.60/266,486,936.40 = 56,501,656.80/x
  3. Step 3: Cross multiply
    177,657,957.60x = 266,486,936.40 × 56,501,656.80
  4. Step 4: Simplify right side
    177,657,957.60x = 15,056,953,422,156,228
  5. Step 5: Solve for x
    x = 15,056,953,422,156,228/177,657,957.60
  6. Step 6: Final answer
    x = 84,752,485.20

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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.