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Finding the Fourth Proportional to 113,312, 169,971.60 and 34,426.91

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Solution

The fourth proportional to 113,312, 169,971.60 and 34,426.91 is: 51,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,312 : 169,971.60 = 34,426.91 : x
  2. Step 2: Convert to fraction form
    113,312/169,971.60 = 34,426.91/x
  3. Step 3: Cross multiply
    113,312x = 169,971.60 × 34,426.91
  4. Step 4: Simplify right side
    113,312x = 5,851,596,975.76
  5. Step 5: Solve for x
    x = 5,851,596,975.76/113,312
  6. Step 6: Final answer
    x = 51,641.46

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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.