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Finding the Fourth Proportional to 93,300.49, 128,750.03 and 53,008.93

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Solution

The fourth proportional to 93,300.49, 128,750.03 and 53,008.93 is: 73,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,300.49 : 128,750.03 = 53,008.93 : x
  2. Step 2: Convert to fraction form
    93,300.49/128,750.03 = 53,008.93/x
  3. Step 3: Cross multiply
    93,300.49x = 128,750.03 × 53,008.93
  4. Step 4: Simplify right side
    93,300.49x = 6,824,901,062.72
  5. Step 5: Solve for x
    x = 6,824,901,062.72/93,300.49
  6. Step 6: Final answer
    x = 73,149.68

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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.