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Finding the Fourth Proportional to 93,114.98, 128,649.01 and 64,946.42

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Solution

The fourth proportional to 93,114.98, 128,649.01 and 64,946.42 is: 89,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,114.98 : 128,649.01 = 64,946.42 : x
  2. Step 2: Convert to fraction form
    93,114.98/128,649.01 = 64,946.42/x
  3. Step 3: Cross multiply
    93,114.98x = 128,649.01 × 64,946.42
  4. Step 4: Simplify right side
    93,114.98x = 8,355,292,636.04
  5. Step 5: Solve for x
    x = 8,355,292,636.04/93,114.98
  6. Step 6: Final answer
    x = 89,730.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.