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Finding the Fourth Proportional to 261,088.94, 360,275.62 and 153,652.56

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Solution

The fourth proportional to 261,088.94, 360,275.62 and 153,652.56 is: 212,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,088.94 : 360,275.62 = 153,652.56 : x
  2. Step 2: Convert to fraction form
    261,088.94/360,275.62 = 153,652.56/x
  3. Step 3: Cross multiply
    261,088.94x = 360,275.62 × 153,652.56
  4. Step 4: Simplify right side
    261,088.94x = 55,357,271,318.59
  5. Step 5: Solve for x
    x = 55,357,271,318.59/261,088.94
  6. Step 6: Final answer
    x = 212,024.57

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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.