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Finding the Fourth Proportional to 132,804,907.60, 199,207,361.40 and 41,916,686.80

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Solution

The fourth proportional to 132,804,907.60, 199,207,361.40 and 41,916,686.80 is: 62,875,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,804,907.60 : 199,207,361.40 = 41,916,686.80 : x
  2. Step 2: Convert to fraction form
    132,804,907.60/199,207,361.40 = 41,916,686.80/x
  3. Step 3: Cross multiply
    132,804,907.60x = 199,207,361.40 × 41,916,686.80
  4. Step 4: Simplify right side
    132,804,907.60x = 8,350,112,576,058,209
  5. Step 5: Solve for x
    x = 8,350,112,576,058,209/132,804,907.60
  6. Step 6: Final answer
    x = 62,875,030.20

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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.