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Finding the Fourth Proportional to 94,881.30, 130,931.06 and 52,437.30

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Solution

The fourth proportional to 94,881.30, 130,931.06 and 52,437.30 is: 72,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,881.30 : 130,931.06 = 52,437.30 : x
  2. Step 2: Convert to fraction form
    94,881.30/130,931.06 = 52,437.30/x
  3. Step 3: Cross multiply
    94,881.30x = 130,931.06 × 52,437.30
  4. Step 4: Simplify right side
    94,881.30x = 6,865,671,272.54
  5. Step 5: Solve for x
    x = 6,865,671,272.54/94,881.30
  6. Step 6: Final answer
    x = 72,360.64

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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.