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Finding the Fourth Proportional to 58,752,402.60, 88,128,603.90 and 18,362,821.80

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Solution

The fourth proportional to 58,752,402.60, 88,128,603.90 and 18,362,821.80 is: 27,544,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752,402.60 : 88,128,603.90 = 18,362,821.80 : x
  2. Step 2: Convert to fraction form
    58,752,402.60/88,128,603.90 = 18,362,821.80/x
  3. Step 3: Cross multiply
    58,752,402.60x = 88,128,603.90 × 18,362,821.80
  4. Step 4: Simplify right side
    58,752,402.60x = 1,618,289,848,898,485.25
  5. Step 5: Solve for x
    x = 1,618,289,848,898,485.25/58,752,402.60
  6. Step 6: Final answer
    x = 27,544,232.70

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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.