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Finding the Fourth Proportional to 93,099.05, 128,457.08 and 60,880.89

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Solution

The fourth proportional to 93,099.05, 128,457.08 and 60,880.89 is: 84,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,099.05 : 128,457.08 = 60,880.89 : x
  2. Step 2: Convert to fraction form
    93,099.05/128,457.08 = 60,880.89/x
  3. Step 3: Cross multiply
    93,099.05x = 128,457.08 × 60,880.89
  4. Step 4: Simplify right side
    93,099.05x = 7,820,581,509.40
  5. Step 5: Solve for x
    x = 7,820,581,509.40/93,099.05
  6. Step 6: Final answer
    x = 84,002.81

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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.