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Finding the Fourth Proportional to 93,200.80, 139,801.20 and 46,544.80

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Solution

The fourth proportional to 93,200.80, 139,801.20 and 46,544.80 is: 69,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.80 : 139,801.20 = 46,544.80 : x
  2. Step 2: Convert to fraction form
    93,200.80/139,801.20 = 46,544.80/x
  3. Step 3: Cross multiply
    93,200.80x = 139,801.20 × 46,544.80
  4. Step 4: Simplify right side
    93,200.80x = 6,507,018,893.76
  5. Step 5: Solve for x
    x = 6,507,018,893.76/93,200.80
  6. Step 6: Final answer
    x = 69,817.20

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1.5x scale

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.