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Finding the Fourth Proportional to 93,710.90, 129,320.88 and 51,269.34

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Solution

The fourth proportional to 93,710.90, 129,320.88 and 51,269.34 is: 70,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,710.90 : 129,320.88 = 51,269.34 : x
  2. Step 2: Convert to fraction form
    93,710.90/129,320.88 = 51,269.34/x
  3. Step 3: Cross multiply
    93,710.90x = 129,320.88 × 51,269.34
  4. Step 4: Simplify right side
    93,710.90x = 6,630,196,165.82
  5. Step 5: Solve for x
    x = 6,630,196,165.82/93,710.90
  6. Step 6: Final answer
    x = 70,751.60

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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.