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Finding the Fourth Proportional to 93,509.84, 129,046.20 and 51,068.96

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Solution

The fourth proportional to 93,509.84, 129,046.20 and 51,068.96 is: 70,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,509.84 : 129,046.20 = 51,068.96 : x
  2. Step 2: Convert to fraction form
    93,509.84/129,046.20 = 51,068.96/x
  3. Step 3: Cross multiply
    93,509.84x = 129,046.20 × 51,068.96
  4. Step 4: Simplify right side
    93,509.84x = 6,590,255,225.95
  5. Step 5: Solve for x
    x = 6,590,255,225.95/93,509.84
  6. Step 6: Final answer
    x = 70,476.60

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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.