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Finding the Fourth Proportional to 116,532.01, 160,818.97 and 65,547.11

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Solution

The fourth proportional to 116,532.01, 160,818.97 and 65,547.11 is: 90,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,532.01 : 160,818.97 = 65,547.11 : x
  2. Step 2: Convert to fraction form
    116,532.01/160,818.97 = 65,547.11/x
  3. Step 3: Cross multiply
    116,532.01x = 160,818.97 × 65,547.11
  4. Step 4: Simplify right side
    116,532.01x = 10,541,219,077.76
  5. Step 5: Solve for x
    x = 10,541,219,077.76/116,532.01
  6. Step 6: Final answer
    x = 90,457.72

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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.