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Finding the Fourth Proportional to 93,365.55, 139,452.99 and 84,467.16

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Solution

The fourth proportional to 93,365.55, 139,452.99 and 84,467.16 is: 126,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,365.55 : 139,452.99 = 84,467.16 : x
  2. Step 2: Convert to fraction form
    93,365.55/139,452.99 = 84,467.16/x
  3. Step 3: Cross multiply
    93,365.55x = 139,452.99 × 84,467.16
  4. Step 4: Simplify right side
    93,365.55x = 11,779,198,018.81
  5. Step 5: Solve for x
    x = 11,779,198,018.81/93,365.55
  6. Step 6: Final answer
    x = 126,162.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.