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Finding the Fourth Proportional to 130,754.58, 180,460.31 and 73,417.59

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Solution

The fourth proportional to 130,754.58, 180,460.31 and 73,417.59 is: 101,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,754.58 : 180,460.31 = 73,417.59 : x
  2. Step 2: Convert to fraction form
    130,754.58/180,460.31 = 73,417.59/x
  3. Step 3: Cross multiply
    130,754.58x = 180,460.31 × 73,417.59
  4. Step 4: Simplify right side
    130,754.58x = 13,248,960,683.77
  5. Step 5: Solve for x
    x = 13,248,960,683.77/130,754.58
  6. Step 6: Final answer
    x = 101,326.93

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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.