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Finding the Fourth Proportional to 292,043.16, 438,068.43 and 102,495.87

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Solution

The fourth proportional to 292,043.16, 438,068.43 and 102,495.87 is: 153,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,043.16 : 438,068.43 = 102,495.87 : x
  2. Step 2: Convert to fraction form
    292,043.16/438,068.43 = 102,495.87/x
  3. Step 3: Cross multiply
    292,043.16x = 438,068.43 × 102,495.87
  4. Step 4: Simplify right side
    292,043.16x = 44,900,204,852.38
  5. Step 5: Solve for x
    x = 44,900,204,852.38/292,043.16
  6. Step 6: Final answer
    x = 153,745.10

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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.