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Finding the Fourth Proportional to 58,683,837.60, 88,029,644.40 and 15,552,439.20

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Solution

The fourth proportional to 58,683,837.60, 88,029,644.40 and 15,552,439.20 is: 23,329,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,683,837.60 : 88,029,644.40 = 15,552,439.20 : x
  2. Step 2: Convert to fraction form
    58,683,837.60/88,029,644.40 = 15,552,439.20/x
  3. Step 3: Cross multiply
    58,683,837.60x = 88,029,644.40 × 15,552,439.20
  4. Step 4: Simplify right side
    58,683,837.60x = 1,369,075,692,328,620.50
  5. Step 5: Solve for x
    x = 1,369,075,692,328,620.50/58,683,837.60
  6. Step 6: Final answer
    x = 23,329,689.20

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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.