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Finding the Fourth Proportional to 98,440,272.90, 147,660,409.35 and 98,440,272.90

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Solution

The fourth proportional to 98,440,272.90, 147,660,409.35 and 98,440,272.90 is: 147,660,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,440,272.90 : 147,660,409.35 = 98,440,272.90 : x
  2. Step 2: Convert to fraction form
    98,440,272.90/147,660,409.35 = 98,440,272.90/x
  3. Step 3: Cross multiply
    98,440,272.90x = 147,660,409.35 × 98,440,272.90
  4. Step 4: Simplify right side
    98,440,272.90x = 14,535,730,992,939,712
  5. Step 5: Solve for x
    x = 14,535,730,992,939,712/98,440,272.90
  6. Step 6: Final answer
    x = 147,660,409.35

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1.5x scale

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.