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Finding the Fourth Proportional to 271,308, 374,405.58 and 152,076

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Solution

The fourth proportional to 271,308, 374,405.58 and 152,076 is: 209,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,308 : 374,405.58 = 152,076 : x
  2. Step 2: Convert to fraction form
    271,308/374,405.58 = 152,076/x
  3. Step 3: Cross multiply
    271,308x = 374,405.58 × 152,076
  4. Step 4: Simplify right side
    271,308x = 56,938,102,984.08
  5. Step 5: Solve for x
    x = 56,938,102,984.08/271,308
  6. Step 6: Final answer
    x = 209,865.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.