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Finding the Fourth Proportional to 93,302.49, 128,752.77 and 53,010.93

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Solution

The fourth proportional to 93,302.49, 128,752.77 and 53,010.93 is: 73,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302.49 : 128,752.77 = 53,010.93 : x
  2. Step 2: Convert to fraction form
    93,302.49/128,752.77 = 53,010.93/x
  3. Step 3: Cross multiply
    93,302.49x = 128,752.77 × 53,010.93
  4. Step 4: Simplify right side
    93,302.49x = 6,825,304,077.78
  5. Step 5: Solve for x
    x = 6,825,304,077.78/93,302.49
  6. Step 6: Final answer
    x = 73,152.43

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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.