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Finding the Fourth Proportional to 99,088,851.40, 139,011,370.10 and 99,088,851.40

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Solution

The fourth proportional to 99,088,851.40, 139,011,370.10 and 99,088,851.40 is: 139,011,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,088,851.40 : 139,011,370.10 = 99,088,851.40 : x
  2. Step 2: Convert to fraction form
    99,088,851.40/139,011,370.10 = 99,088,851.40/x
  3. Step 3: Cross multiply
    99,088,851.40x = 139,011,370.10 × 99,088,851.40
  4. Step 4: Simplify right side
    99,088,851.40x = 13,774,476,994,749,304
  5. Step 5: Solve for x
    x = 13,774,476,994,749,304/99,088,851.40
  6. Step 6: Final answer
    x = 139,011,370.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.