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Finding the Fourth Proportional to 93,295.80, 128,747.88 and 50,854.33

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Solution

The fourth proportional to 93,295.80, 128,747.88 and 50,854.33 is: 70,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,295.80 : 128,747.88 = 50,854.33 : x
  2. Step 2: Convert to fraction form
    93,295.80/128,747.88 = 50,854.33/x
  3. Step 3: Cross multiply
    93,295.80x = 128,747.88 × 50,854.33
  4. Step 4: Simplify right side
    93,295.80x = 6,547,387,337.26
  5. Step 5: Solve for x
    x = 6,547,387,337.26/93,295.80
  6. Step 6: Final answer
    x = 70,178.80

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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.