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Finding the Fourth Proportional to 93,295.76, 128,748.14 and 50,854.58

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Solution

The fourth proportional to 93,295.76, 128,748.14 and 50,854.58 is: 70,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,295.76 : 128,748.14 = 50,854.58 : x
  2. Step 2: Convert to fraction form
    93,295.76/128,748.14 = 50,854.58/x
  3. Step 3: Cross multiply
    93,295.76x = 128,748.14 × 50,854.58
  4. Step 4: Simplify right side
    93,295.76x = 6,547,432,585.48
  5. Step 5: Solve for x
    x = 6,547,432,585.48/93,295.76
  6. Step 6: Final answer
    x = 70,179.32

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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.