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Finding the Fourth Proportional to 355,094.35, 532,643.51 and 118,436.38

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Solution

The fourth proportional to 355,094.35, 532,643.51 and 118,436.38 is: 177,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,094.35 : 532,643.51 = 118,436.38 : x
  2. Step 2: Convert to fraction form
    355,094.35/532,643.51 = 118,436.38/x
  3. Step 3: Cross multiply
    355,094.35x = 532,643.51 × 118,436.38
  4. Step 4: Simplify right side
    355,094.35x = 63,084,368,119.38
  5. Step 5: Solve for x
    x = 63,084,368,119.38/355,094.35
  6. Step 6: Final answer
    x = 177,655.23

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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.