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Finding the Fourth Proportional to 172,651,509.60, 258,977,264.40 and 134,104,322.40

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Solution

The fourth proportional to 172,651,509.60, 258,977,264.40 and 134,104,322.40 is: 201,156,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,651,509.60 : 258,977,264.40 = 134,104,322.40 : x
  2. Step 2: Convert to fraction form
    172,651,509.60/258,977,264.40 = 134,104,322.40/x
  3. Step 3: Cross multiply
    172,651,509.60x = 258,977,264.40 × 134,104,322.40
  4. Step 4: Simplify right side
    172,651,509.60x = 34,729,970,559,367,644
  5. Step 5: Solve for x
    x = 34,729,970,559,367,644/172,651,509.60
  6. Step 6: Final answer
    x = 201,156,483.60

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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.