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Finding the Fourth Proportional to 93,347.16, 139,425.52 and 84,448.72

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Solution

The fourth proportional to 93,347.16, 139,425.52 and 84,448.72 is: 126,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,347.16 : 139,425.52 = 84,448.72 : x
  2. Step 2: Convert to fraction form
    93,347.16/139,425.52 = 84,448.72/x
  3. Step 3: Cross multiply
    93,347.16x = 139,425.52 × 84,448.72
  4. Step 4: Simplify right side
    93,347.16x = 11,774,306,699.33
  5. Step 5: Solve for x
    x = 11,774,306,699.33/93,347.16
  6. Step 6: Final answer
    x = 126,134.60

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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.