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Finding the Fourth Proportional to 93,316.65, 139,630.51 and 55,903.15

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Solution

The fourth proportional to 93,316.65, 139,630.51 and 55,903.15 is: 83,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316.65 : 139,630.51 = 55,903.15 : x
  2. Step 2: Convert to fraction form
    93,316.65/139,630.51 = 55,903.15/x
  3. Step 3: Cross multiply
    93,316.65x = 139,630.51 × 55,903.15
  4. Step 4: Simplify right side
    93,316.65x = 7,805,785,345.11
  5. Step 5: Solve for x
    x = 7,805,785,345.11/93,316.65
  6. Step 6: Final answer
    x = 83,648.37

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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.