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Finding the Fourth Proportional to 93,313.82, 139,970.73 and 30,984.32

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Solution

The fourth proportional to 93,313.82, 139,970.73 and 30,984.32 is: 46,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313.82 : 139,970.73 = 30,984.32 : x
  2. Step 2: Convert to fraction form
    93,313.82/139,970.73 = 30,984.32/x
  3. Step 3: Cross multiply
    93,313.82x = 139,970.73 × 30,984.32
  4. Step 4: Simplify right side
    93,313.82x = 4,336,897,888.95
  5. Step 5: Solve for x
    x = 4,336,897,888.95/93,313.82
  6. Step 6: Final answer
    x = 46,476.48

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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.