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Finding the Fourth Proportional to 93,971.84, 129,701.84 and 73,513.36

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Solution

The fourth proportional to 93,971.84, 129,701.84 and 73,513.36 is: 101,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,971.84 : 129,701.84 = 73,513.36 : x
  2. Step 2: Convert to fraction form
    93,971.84/129,701.84 = 73,513.36/x
  3. Step 3: Cross multiply
    93,971.84x = 129,701.84 × 73,513.36
  4. Step 4: Simplify right side
    93,971.84x = 9,534,818,056.58
  5. Step 5: Solve for x
    x = 9,534,818,056.58/93,971.84
  6. Step 6: Final answer
    x = 101,464.63

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1.5x scale

Why These Related Problems?

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