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Finding the Fourth Proportional to 119,210.16, 164,510.22 and 65,494.70

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Solution

The fourth proportional to 119,210.16, 164,510.22 and 65,494.70 is: 90,382.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,210.16 : 164,510.22 = 65,494.70 : x
  2. Step 2: Convert to fraction form
    119,210.16/164,510.22 = 65,494.70/x
  3. Step 3: Cross multiply
    119,210.16x = 164,510.22 × 65,494.70
  4. Step 4: Simplify right side
    119,210.16x = 10,774,547,505.83
  5. Step 5: Solve for x
    x = 10,774,547,505.83/119,210.16
  6. Step 6: Final answer
    x = 90,382.80

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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.