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Finding the Fourth Proportional to 93,035.20, 139,509.60 and 40,417.60

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Solution

The fourth proportional to 93,035.20, 139,509.60 and 40,417.60 is: 60,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,035.20 : 139,509.60 = 40,417.60 : x
  2. Step 2: Convert to fraction form
    93,035.20/139,509.60 = 40,417.60/x
  3. Step 3: Cross multiply
    93,035.20x = 139,509.60 × 40,417.60
  4. Step 4: Simplify right side
    93,035.20x = 5,638,643,208.96
  5. Step 5: Solve for x
    x = 5,638,643,208.96/93,035.20
  6. Step 6: Final answer
    x = 60,607.63

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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.