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Finding the Fourth Proportional to 152,511.64, 210,415.64 and 92,059.30

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Solution

The fourth proportional to 152,511.64, 210,415.64 and 92,059.30 is: 127,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,511.64 : 210,415.64 = 92,059.30 : x
  2. Step 2: Convert to fraction form
    152,511.64/210,415.64 = 92,059.30/x
  3. Step 3: Cross multiply
    152,511.64x = 210,415.64 × 92,059.30
  4. Step 4: Simplify right side
    152,511.64x = 19,370,716,527.45
  5. Step 5: Solve for x
    x = 19,370,716,527.45/152,511.64
  6. Step 6: Final answer
    x = 127,011.40

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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.