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Finding the Fourth Proportional to 93,798,688.80, 140,698,033.20 and 57,966,880.80

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Solution

The fourth proportional to 93,798,688.80, 140,698,033.20 and 57,966,880.80 is: 86,950,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,798,688.80 : 140,698,033.20 = 57,966,880.80 : x
  2. Step 2: Convert to fraction form
    93,798,688.80/140,698,033.20 = 57,966,880.80/x
  3. Step 3: Cross multiply
    93,798,688.80x = 140,698,033.20 × 57,966,880.80
  4. Step 4: Simplify right side
    93,798,688.80x = 8,155,826,119,298,841
  5. Step 5: Solve for x
    x = 8,155,826,119,298,841/93,798,688.80
  6. Step 6: Final answer
    x = 86,950,321.20

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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.