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Finding the Fourth Proportional to 93,355.36, 128,793.72 and 57,483.16

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Solution

The fourth proportional to 93,355.36, 128,793.72 and 57,483.16 is: 79,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,355.36 : 128,793.72 = 57,483.16 : x
  2. Step 2: Convert to fraction form
    93,355.36/128,793.72 = 57,483.16/x
  3. Step 3: Cross multiply
    93,355.36x = 128,793.72 × 57,483.16
  4. Step 4: Simplify right side
    93,355.36x = 7,403,470,013.76
  5. Step 5: Solve for x
    x = 7,403,470,013.76/93,355.36
  6. Step 6: Final answer
    x = 79,304.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.