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Finding the Fourth Proportional to 292,696.69, 439,038.66 and 134,925.14

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Solution

The fourth proportional to 292,696.69, 439,038.66 and 134,925.14 is: 202,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,696.69 : 439,038.66 = 134,925.14 : x
  2. Step 2: Convert to fraction form
    292,696.69/439,038.66 = 134,925.14/x
  3. Step 3: Cross multiply
    292,696.69x = 439,038.66 × 134,925.14
  4. Step 4: Simplify right side
    292,696.69x = 59,237,353,131.05
  5. Step 5: Solve for x
    x = 59,237,353,131.05/292,696.69
  6. Step 6: Final answer
    x = 202,384.77

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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.