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Finding the Fourth Proportional to 156,710.56, 216,230.16 and 93,068.32

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Solution

The fourth proportional to 156,710.56, 216,230.16 and 93,068.32 is: 128,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,710.56 : 216,230.16 = 93,068.32 : x
  2. Step 2: Convert to fraction form
    156,710.56/216,230.16 = 93,068.32/x
  3. Step 3: Cross multiply
    156,710.56x = 216,230.16 × 93,068.32
  4. Step 4: Simplify right side
    156,710.56x = 20,124,177,724.53
  5. Step 5: Solve for x
    x = 20,124,177,724.53/156,710.56
  6. Step 6: Final answer
    x = 128,416.22

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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.