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Finding the Fourth Proportional to 93,264,329.80, 139,896,494.70 and 73,780,784.20

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Solution

The fourth proportional to 93,264,329.80, 139,896,494.70 and 73,780,784.20 is: 110,671,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,264,329.80 : 139,896,494.70 = 73,780,784.20 : x
  2. Step 2: Convert to fraction form
    93,264,329.80/139,896,494.70 = 73,780,784.20/x
  3. Step 3: Cross multiply
    93,264,329.80x = 139,896,494.70 × 73,780,784.20
  4. Step 4: Simplify right side
    93,264,329.80x = 10,321,673,085,797,144
  5. Step 5: Solve for x
    x = 10,321,673,085,797,144/93,264,329.80
  6. Step 6: Final answer
    x = 110,671,176.30

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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.