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Finding the Fourth Proportional to 292,813.04, 439,020.80 and 93,073.52

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Solution

The fourth proportional to 292,813.04, 439,020.80 and 93,073.52 is: 139,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,813.04 : 439,020.80 = 93,073.52 : x
  2. Step 2: Convert to fraction form
    292,813.04/439,020.80 = 93,073.52/x
  3. Step 3: Cross multiply
    292,813.04x = 439,020.80 × 93,073.52
  4. Step 4: Simplify right side
    292,813.04x = 40,861,211,209.22
  5. Step 5: Solve for x
    x = 40,861,211,209.22/292,813.04
  6. Step 6: Final answer
    x = 139,547.10

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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.