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Finding the Fourth Proportional to 93,022.86, 128,368.86 and 52,740.36

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Solution

The fourth proportional to 93,022.86, 128,368.86 and 52,740.36 is: 72,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,022.86 : 128,368.86 = 52,740.36 : x
  2. Step 2: Convert to fraction form
    93,022.86/128,368.86 = 52,740.36/x
  3. Step 3: Cross multiply
    93,022.86x = 128,368.86 × 52,740.36
  4. Step 4: Simplify right side
    93,022.86x = 6,770,219,889.19
  5. Step 5: Solve for x
    x = 6,770,219,889.19/93,022.86
  6. Step 6: Final answer
    x = 72,780.17

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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.