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Finding the Fourth Proportional to 173,915.16, 260,760.42 and 55,547.16

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Solution

The fourth proportional to 173,915.16, 260,760.42 and 55,547.16 is: 83,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,915.16 : 260,760.42 = 55,547.16 : x
  2. Step 2: Convert to fraction form
    173,915.16/260,760.42 = 55,547.16/x
  3. Step 3: Cross multiply
    173,915.16x = 260,760.42 × 55,547.16
  4. Step 4: Simplify right side
    173,915.16x = 14,484,500,771.41
  5. Step 5: Solve for x
    x = 14,484,500,771.41/173,915.16
  6. Step 6: Final answer
    x = 83,284.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.