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Finding the Fourth Proportional to 292,803.08, 439,200.00 and 93,120.58

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Solution

The fourth proportional to 292,803.08, 439,200.00 and 93,120.58 is: 139,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,803.08 : 439,200.00 = 93,120.58 : x
  2. Step 2: Convert to fraction form
    292,803.08/439,200.00 = 93,120.58/x
  3. Step 3: Cross multiply
    292,803.08x = 439,200.00 × 93,120.58
  4. Step 4: Simplify right side
    292,803.08x = 40,898,559,303.56
  5. Step 5: Solve for x
    x = 40,898,559,303.56/292,803.08
  6. Step 6: Final answer
    x = 139,679.40

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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.