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Finding the Fourth Proportional to 292,920.51, 439,362.19 and 93,384.07

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Solution

The fourth proportional to 292,920.51, 439,362.19 and 93,384.07 is: 140,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,920.51 : 439,362.19 = 93,384.07 : x
  2. Step 2: Convert to fraction form
    292,920.51/439,362.19 = 93,384.07/x
  3. Step 3: Cross multiply
    292,920.51x = 439,362.19 × 93,384.07
  4. Step 4: Simplify right side
    292,920.51x = 41,029,429,506.31
  5. Step 5: Solve for x
    x = 41,029,429,506.31/292,920.51
  6. Step 6: Final answer
    x = 140,070.18

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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.