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Finding the Fourth Proportional to 93,294.76, 128,749.81 and 53,006.13

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Solution

The fourth proportional to 93,294.76, 128,749.81 and 53,006.13 is: 73,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.76 : 128,749.81 = 53,006.13 : x
  2. Step 2: Convert to fraction form
    93,294.76/128,749.81 = 53,006.13/x
  3. Step 3: Cross multiply
    93,294.76x = 128,749.81 × 53,006.13
  4. Step 4: Simplify right side
    93,294.76x = 6,824,529,166.34
  5. Step 5: Solve for x
    x = 6,824,529,166.34/93,294.76
  6. Step 6: Final answer
    x = 73,150.19

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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.