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Finding the Fourth Proportional to 292,156.93, 439,005.99 and 157,320.69

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Solution

The fourth proportional to 292,156.93, 439,005.99 and 157,320.69 is: 236,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,156.93 : 439,005.99 = 157,320.69 : x
  2. Step 2: Convert to fraction form
    292,156.93/439,005.99 = 157,320.69/x
  3. Step 3: Cross multiply
    292,156.93x = 439,005.99 × 157,320.69
  4. Step 4: Simplify right side
    292,156.93x = 69,064,725,439.32
  5. Step 5: Solve for x
    x = 69,064,725,439.32/292,156.93
  6. Step 6: Final answer
    x = 236,395.98

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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.