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Finding the Fourth Proportional to 93,395.92, 128,885.16 and 50,953.52

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Solution

The fourth proportional to 93,395.92, 128,885.16 and 50,953.52 is: 70,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,395.92 : 128,885.16 = 50,953.52 : x
  2. Step 2: Convert to fraction form
    93,395.92/128,885.16 = 50,953.52/x
  3. Step 3: Cross multiply
    93,395.92x = 128,885.16 × 50,953.52
  4. Step 4: Simplify right side
    93,395.92x = 6,567,152,577.76
  5. Step 5: Solve for x
    x = 6,567,152,577.76/93,395.92
  6. Step 6: Final answer
    x = 70,315.20

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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.