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Finding the Fourth Proportional to 101,376,478.80, 152,064,718.20 and 101,376,478.80

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Solution

The fourth proportional to 101,376,478.80, 152,064,718.20 and 101,376,478.80 is: 152,064,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,478.80 : 152,064,718.20 = 101,376,478.80 : x
  2. Step 2: Convert to fraction form
    101,376,478.80/152,064,718.20 = 101,376,478.80/x
  3. Step 3: Cross multiply
    101,376,478.80x = 152,064,718.20 × 101,376,478.80
  4. Step 4: Simplify right side
    101,376,478.80x = 15,415,785,680,830,272
  5. Step 5: Solve for x
    x = 15,415,785,680,830,272/101,376,478.80
  6. Step 6: Final answer
    x = 152,064,718.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.