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Finding the Fourth Proportional to 70,655.31, 97,479.79 and 45,176.59

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Solution

The fourth proportional to 70,655.31, 97,479.79 and 45,176.59 is: 62,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,655.31 : 97,479.79 = 45,176.59 : x
  2. Step 2: Convert to fraction form
    70,655.31/97,479.79 = 45,176.59/x
  3. Step 3: Cross multiply
    70,655.31x = 97,479.79 × 45,176.59
  4. Step 4: Simplify right side
    70,655.31x = 4,403,804,149.48
  5. Step 5: Solve for x
    x = 4,403,804,149.48/70,655.31
  6. Step 6: Final answer
    x = 62,328.00

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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.