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Finding the Fourth Proportional to 116,875.92, 174,673.36 and 85,352.32

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Solution

The fourth proportional to 116,875.92, 174,673.36 and 85,352.32 is: 127,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,875.92 : 174,673.36 = 85,352.32 : x
  2. Step 2: Convert to fraction form
    116,875.92/174,673.36 = 85,352.32/x
  3. Step 3: Cross multiply
    116,875.92x = 174,673.36 × 85,352.32
  4. Step 4: Simplify right side
    116,875.92x = 14,908,776,518.20
  5. Step 5: Solve for x
    x = 14,908,776,518.20/116,875.92
  6. Step 6: Final answer
    x = 127,560.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.