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Finding the Fourth Proportional to 93,295.72, 128,748.10 and 50,854.25

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Solution

The fourth proportional to 93,295.72, 128,748.10 and 50,854.25 is: 70,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,295.72 : 128,748.10 = 50,854.25 : x
  2. Step 2: Convert to fraction form
    93,295.72/128,748.10 = 50,854.25/x
  3. Step 3: Cross multiply
    93,295.72x = 128,748.10 × 50,854.25
  4. Step 4: Simplify right side
    93,295.72x = 6,547,388,354.51
  5. Step 5: Solve for x
    x = 6,547,388,354.51/93,295.72
  6. Step 6: Final answer
    x = 70,178.87

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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.